Part 1: Cart with one mass block 1. Friction Experiment: Measure Static Sliding Coefficient of Friction with a Ramp. Ask Question + 100. Cart A is pulled with a 2 Newton force for 2 seconds. Repeat the data recording process but change the hanging mass to 15 g (0. (Recall the answer to pre-lab question 2b). This eBook format includes a downloadable PDF file. mass Be precise Review your answers to the preliminary questions, and explain any changes you wish to. Figure 3 illustrates the experimental situation and the forces acting on the cart and hanging mass. is proportional to mass m. Lab Report 12: Simple Harmonic Motion, Mass on a Spring 04/20/12 James Allison section 20362 Group 5 James Allison, Clint Rowe, & William Cochran Objective: For our final lab of associated with physics I, we will dissect the motions of a mass on a spri. and use your equation to calculate the acceleration of the cart for five values of the hanging mass: 5 grams, 10 grams, 25 grams,. LAB 6 Lab Handout Lab 6. Now, you’re ready to set up for optimal efficiency. section: 012 experiment due date: 10/18/16 newton's 2nd law objective/description: the purpose of this lab was to validate newton's second law of motion, study. Example Student Lab Report and Data Hypothesis. Repeat 6 and 7, only this time with the cart moving at a slow constant speed down the plane. Faulty calibration of instruments. In order to…. This is superior to using a hanging mass to apply a force, since students don't have to convert from mass to force. ROTATIONAL DYNAMICS EXPERIMENT. Cart A is pulled with a 2 Newton force for 2 seconds. the back of your lab manual deﬁnes and discusses the standard deviation of the mean. 5 kg is placed on a track and connected to a mass on a pulley hanging over the edge. those literature values. In this activity, a string connected a cart and a hanging mass together. The resulting values of 218. The bar is about 20 cm long and the balls are 1 cm and approximately 2 cm in diameter. A cart m1=400g rolls along a track with very low friction. The build up of the unit brought the class to be able to solve "Traffic Light Problems. Physics Lab and Pocket Lab Worksheets Study Guide SE and TE Chapter Assessment Tech Prep Applications Critical Thinking Reteaching Answers to these problems are found in the margin of Convert each of the following mass measurements to its equivalent in kilograms. Answer the questions on the following page and turn it in with your signed data sheet. 195 (Answer: 0. Step 2: Distribute and review the Owl Pellet Lab Report Worksheet printable. The rod and its point masses will be acceleration and an angular rate due to the weight of a hanging mass over a pulley. Click on the Record button as your lab partner releases the cart; make sure to stop the cart before it crashes to the floor. pdf In this lab we have two hypotheses that we want to answer. • Tension due to the hanging mass for n = 3 (No uncertainty). Note the distance moved and the time taken by the cart. In Your Lab Report. In this lab this was analyzed in multiple collision situations. We want to find the average acceleration of the cart from your velocity graph. The reaction of sodium hydroxide with citric acid is: 3 NaOH + H 3 C 6 H 5 O 7 → 3 Na + + 3 H 2 O + C 6 H 5 O 7 3-Report. Lab 4 - Force & Motion 39 (are) related to the force. { Section titles should not be separated from content (i. Physics Lab and Pocket Lab Worksheets Study Guide SE and TE Chapter Assessment Tech Prep Applications Critical Thinking Reteaching Answers to these problems are found in the margin of Convert each of the following mass measurements to its equivalent in kilograms. 6 Equipment • Two cylindrical masses • Hanger with mass • Air bearing with central. students will either write a complete lab report, or answer specific questions in a hand-out. where M is the amount of mass hanging below the side pulley, gis the acceleration due to gravity and ais the linear acceleration given in Eq. From the free body diagram of the hanging mass, we get: W - T = ma, where m is the hanging mass. I WILL NOT LOOK AT ANY. Horizontal Pulley with Friction Application of Newton's second law to a horizontal pulley. PHYS 1030 General Physics I Lab - Work - Energy Principle In this lab you will perform an experiment to understand and analyze the relationship between work hanging mass. Data Analysis: After you print out the lab report, use the space below to pencil in the explicit calculations for the two Verify your answer using a wide enough data interval. Click Keep. The symbol & 1represents the mass of the cart and its contents, & 0is the hanging mass and/is the resistive force (friction). ME C134 / EE C128 Spring 2019 Lab Report Writing Guide UC Berkeley Guide to Good Lab Report Writing 1General Formatting • Di erent sections of the lab report should be easy to distinguish. (g)Remove the mass from cart \1", and add it to cart \2" so that cart \2" becomes the heavier cart. During this time, the magnetic force causes the velocity of each cart to change: cart 1 slows down, cart 2 speeds up. Suppose the string connecting M and m is cut during their motion. Using the three graphs provided in Figure 8, sketch your predictions for the force on the force probe, the acceleration of the hanging mass, and the ratio F/a, when the hanging mass is allowed to oscillate over the motion detector. Each person’s report must be in his or her own words as much as possible. The introduction of dynamics is done by a standard modified Atwood machine lab. ) Copying of the contents of this. Question: Newtons Second Law- Cart With Hanging Mass ^^^First Lab Information^^^ To Find A: In The First Motion Lab You Should Have Found That The Acceleration Of The Cart Is Constant While The Weight Is Falling. (1) Fk=− x. 1 Purpose 3. com FREE DELIVERY possible on eligible purchases. Atwood's Machine Further discussion For hanging masses: m 1 m 2 g = N The acceleration is a = m/s² and the tension is T = N Change any of the mass or weight. Conclusions In this experiment, we observed Newton’s Second Law of Motion. A car carrying different masses will be pulled across a table by a hanging weight—the constant force. Forces on a Pulley: How Does the Mass of the • Hanging mass set • Electronic or triple beam balance • String or fishing line • Stopwatch Your report should answer these questions in two pages or less. We want to find the average acceleration of the cart from your velocity graph. Recall that the Work - Kinetic Energy Theorem (W = ∆KE) implies that "W" refers to the "total work" done on the cart, not the work done by any particular individual force. { Section titles should not be separated from content (i. Tie three 1‐meter (approximately) lengths of cord together and stretch them across a lab bench. Students will present answers to homework and analyze motion in cooperative groups. Put these values into Newton’s 2 nd law and rearrange for a to show you get the same equation as in the lab preparation section. Measure or record the following quantities for your air cart and air track setup. IKEA offers everything from living room furniture to mattresses and bedroom furniture so that you can design your life at home. Data Analysis: After you print out the lab report, use the space below to pencil in the explicit calculations for the two Verify your answer using a wide enough data interval. The spring. Lab 4 - Force & Motion 39 (are) related to the force. Introduction. My original plan was to find the lever arm of the meter stick with the weight and than calculate the torque by using the equation torque = lever arm x force. You will use a computer to acquire the data, and to help analyze it. When the balloons are blown. 5 kilograms (1500 g) stacked on the cart, plus whatever you piled on. Experiment 3 - Newton's Second Law. Name: E-mail address: Laboratory 7 Report. must upload the LAB REPORT to the myCoursesDropbox. (Uni t s are. where F equals force, m equals the mass of the object, and g equals the acceleration due to gravity, 9. Record T and q on the lab form. In the free body diagram of the modified Atwood's machine above,the acceleration of the cart may be calculated using Newton's Second Law. Preliminary questions Question 1: According to your textbook, how do k and s usually compare in value? (Which is typically. Daily patterns of caffeine intake and the association of intake with multiple sociodemographic and lifestyle factors in U. The equation that relates force and acceleration is F=ma Where F is force, m is mass, and a is acceleration If force on the graph is plotted on the y-axis, and acceleration on the y-axis, then the slope would be the mass of the object. More mass, more inertia. 4 1 Lab 2 : Quanser Hardware and Proportional Control I. Background If a cart moves on a plane that is inclined at an angle θ, the component of force acting on the cart in a direction that is parallel to the surface of the plane is mg sin θ, where m is the mass of the cart, and g is the acceleration due to gravity. In this experiment you will investigate the motion of a cart on a track. Search this site. It is attached by a string over a pulley to an object M2=40g that is hanging vertically. (g)Remove the mass from cart \1", and add it to cart \2" so that cart \2" becomes the heavier cart. The other end of the string loops over a pulley, and is attached to a hanger on which you can hang objects of different mass. Although you don't. Put enough mass on the mass hanger to make the string vibrate in its fundamental mode (one antinode in the center) at a frequency of 60 Hz. Hand a slotted mass on the hook. There are two versions of the lab- one lab report has the students use an electric scale, and the other lab report has the students utilize a triple beam balance. We placed the motion detector directly underneath where the mass would fall. The goal is to get students thinking about what they already know before they even start the center of mass lab. Modify the simulation by changing parameters such as gravity, damping, and by dragging objects with your mouse. Thanks for SHARING with your Fzx Teacher! Here is a 2 object 2nd Law problem solution with friction force. Here is a diagram of this toy. To pull the cart, use a hanging mass of 35 grams After you print out the lab report, Verify your answer using a wide enough data interval. 2 m PASCO Track 1 500g GOcar ME-6951 1 Super Pulley with Clamp ME-9448A 1 Mass Set 1x10g, 1x20g, 1x50g, 1x100g, 2x250g SE-8759. – Download lab report from LONCAPA website – Fill out the Pre-lab questions BEFORE going to lab! Your mass is 80. INTRODUCTION:. A cart of mass 50g, hanging weight 5g are attached as shown in the simulator, the coefficient of friction is 0. Disclaimer: This lab write-up is not to be copied, in whole or in part, unless a PES 1150 Report Lab S Objective In the experiment for part B we used a hanging mass to pull a cart - which caused the cart to accelerate. My original plan was to find the lever arm of the meter stick with the weight and than calculate the torque by using the equation torque = lever arm x force. To do this make sure the motion sensor is plugged into the Lab Pro device and the Lab Pro’s USB cable is plugged into the computer. That is, if the mass is doubled, T squared should double. 196) Note: Although errors due to rounding, the equation is still correct due to the relative closeness of all answers. Newton's Second Law of Motion Saddleback College Physics Department 1. The resulting values of 218. Measure the frictional force acting on the cart: Add small masses to the string until the cart main-tains a constant velocity when tapped. If plot is linear, what you expect for the slope and intercept? Use equations to support your answer. Hanging Mass Lab To demonstrate leadership in instruction and curriculum planning, I chose to share my lesson mapping from the Hanging Mass Lab during the Vector Unit. Answer the questions on the following page and turn it. To pull the cart, use a hanging mass of 35 grams After you print out the lab report, Verify your answer using a wide enough data interval. HW: Unit 2 Worksheet 4 (due 9/21-beginning of class) Wheel/Ramp Lab Report Due on GC by Midnight: 20 Students will present answers to homework and analyze motion in cooperative groups. Conservation of mechanical energy lab report conclusion. A) We have in front of us a cart on a track with a spring mounted at the end of the track. Please sign in or register to post comments. 500kg cart to accelerate across a low-friction track. 0kg, and the elevator has a mass of 500kg. When the system is at rest, the hanging mass does not have any acceleration. Release the weight on the weight hanger. I need a full explantion of every answer because this is a lab report. Answer the questions on the following page and turn it in with your signed data sheet. Start the system at rest with the hanging mass at the very most top point. Measure the mass of the cart, m A, using the triple beam balance. How does Newton’s Third Law of Motion relate to the impact force experienced by the passengers in the car? Discuss your answer with your group and then write a response that says how the diagram final vector arrow (Fwall on cart) on the diagram should be drawn. may be di cult at rst, but draw a free body diagram of the cart and force sensor and then convince yourself why you want the cart to move with a constant velocity (look at the velocity graph as a guide). Friction Lab. Note: Text in black is from the lab manual. Now hang m = mf + 30 grams from the string. a) what are all the forces acting on the cart. Sample Lab Report Magnet Physics Determining mass of cart How the procedure will work: The mass of an accelerating cart can be determined using only a meter stick, stop watch and a few known masses as well as a two fundamental physics equations. This report must be typed, and any diagrams, figures, or tables should be embedded into the document. There are two versions of the lab- one lab report has the students use an electric scale, and the other lab report has the students utilize a triple beam balance. Hewitt CONCEPTUAL PHYSICS Needham, Massachusetts Upper Saddle River, New Jersey Glenview, Illinois CP02_SE_LAB_ FM 3/5/01 12:28 PM Page i. Dynamics Cart 012-04840D 4 Procedure Once you have roughly determined the range of the cart, clearly mark a distance d that is about half way out from the start. Assume that the force probe reads F=0 when the mass is hanging statically on the end of the spring. Familiarize students with Quanser's QuaRC tools and the Q4 data acquisition board. Note that since the glider and hanging mass are attached to each other by a string they are both moving with the same acceleration aand feel the same tension T. We’ll discuss the effects of friction in the next. Display the data for the cart accelerated along the track with half batteries and half dummy cells (Activity 1. For a simple pendulum (a small mass on a long string), the restoring. Students will investigate the relationship(s) using a low friction cart, track apparatus and system of pulleys. Clamp the plane in this position and read the value of the angle (θ k). Step 3: Have students write their names on the Owl Pellet Lab Report Worksheet, record their predictions about what they will find in the pellet, and start the lab. According to your calculations what is the average coefficient of kinetic friction for each surface? 2. Free-body diagrams of the forces on the cart and hanging mass are shown in Figure 4. The weight of the hanging mass is equal to the centripetal force applied to the brass. Let’s agree to use a hanging mass of 0. The center of mass is at the knife-edge. Record the new mass of each cart; then go back to step 3b and repeat all steps to measure the initial and nal velocities for this set of masses. Lab$#1$ VerticalSpring2Mass$System$ 96. C auses of error: 1. object's mass remains constant? Take time to answer the 'What Do You Think?' question(s) in the Lab Report section. 0 N/m, respectively, indicate that the spring's behavior follows Hooke's law to within the limits of accuracy of the experiment. A general rule would be the more tension you add the more weight the cart or the object has to pull, so that means that the time frame will be expanded, but the final velocity will not be as high. Search this site. The purpose of this lab experiment is to study the behavior of springs in static and dynamic situations. Therefore, care must be taken to keep. Purpose Theory. It is the hanging masses weight (m 2 g) that accelerates the system so that is our net force (ΣF). must upload the LAB REPORT to the myCoursesDropbox. The acceleration of the cart, in the. ) Copying of the contents of this. Remember, each person is INDIVIDUALLY responsible for the wording of their answers in their Lab Report. Step 4 First we did two runs without any mass on the weight hanger and all the mass on the glider. Measure x with the meter stick. The design of space for laboratory experiences that follow the principles developed in this report would allow for flexible use of space and furnishings, combining features of traditional laboratories and classrooms. Application of Newton's second law to masses suspended over a pulley: Atwood's machine. In this lab, a standing wave pattern is produced by an electric motor that vibrates one end of the string up and down. To study these two relationships, my partners and I used a dynamic cart with added mass on it. Force and Acceleration Introduction Applying Newton’s Second law to each of the masses, we obtain the result +,=&-+&,"+/ Where + 0is the weight of mass B. Get gizmo fan cart physics answer key PDF file for free from our online library PDF File: gizmo fan cart physics answer key GIZMO FAN CART PHYSICS ANSWER KEY PDF gizmo fan cart physics answer key are a good way to achieve details about operating certainproducts. As part of a larger series on specific writing assignments, an informative handout explains the nuts and bolts of writing a lab report. Suppose at some later time it has filled up with 10kg of rain, so now the cart has a mass of 20kg. 2 mass hangers 6 100 gram masses 1 50 gram masses 3 spring scales 1 hanging pulley 1 spool of string 1 scissors Procedure • Look at Figure A. Record the previous measured value of the glider as Mc. inelastic collisions. contact, and then connect the hanging mass to the bob with the applies to the bob. Measure the mass of the cart, m The entire cart/hanging mass system follows the same law, ΣF = ma. First, you can start the cart from rest, so that its initial kinetic energy is zero. Equipment: Macintosh or PC Computer, Inclined Plane (ramp or dynamics track), Laboratory Cart, Meter Stick, Go!. This net force accelerates both the hanging mass and the cart's mass; the cart mass is accelerated horizontally, and the hanging mass is accelerated downward. Method 2: The experiment was run four more times with the same hanging weight each time, but with different loads placed on the glider to vary its mass. Answer the following questions in bullet form at the end of the analysis section of your lab report. Acceleration of Gravity Lab – Basic Version In this lab you will explore the motion of falling objects. It has momentum of 50 kg*m/s. momentum = mass * inertia. 147 g 1 kg 1 103 g so 147 g 1 1 10 k 3 g g. Based on this density equation (Density = Mass ÷ Volume), if the weight (or mass) of something increases but the volume stays the same, the density has to go up. This will cause a maximum Force of 0. Question: NEWTON'S SECOND LAW LAB Cart Net = Ma Hanging Mass 4 Procedure N1B (1) Attach The Hook And Flag To The Cart And Measure The Mass Of The Cart/hook/flag System Using The Electronic Scale. In this lab you will explore some of the properties of friction and use different methods to measure the coefficient of friction. This Should Still Be The Case, So We Can Look At The Average Acceleration Between The Beginning And End Of The Run. Effect of Mass on Acceleration: 1. After some thought, you might ask if Galileo could. AP Physics. speeds of carts, masses flying off carts, masses hitting the feet of students, and student fingers being squeezed when stopping a cart at the pulley when a high proportion of mass is on the hanger. A different equation is necessary for variable-mass systems. The rod and its point masses will be acceleration and an angular rate due to the weight of a hanging mass over a pulley. ** Freefall acceleration demos in class. Mount the pulley onto another rod fixed to the table with a clamp. So, the trick is to add about 100 g of masses in small denominations to the top of the cart. Forces: Free Body Diagram of Cart Rolling Down Ramp: The F1 force can be classified as the air resistance/drag/friction working against the cart as it is going down the ramp, the F2 force can be classified as gravity which is acting down upon the cart, and F3 can be classified as the opposing force of the ramp towards the car (Newton's 3rd Law). Theory In this lab, we will use Newton's laws of motion to find the acceleration of a cart for three Print the graph for your report. Hooke's Law and the Simple Harmonic Motion of a Spring Lab The purpose of this lab is to find the force constant of a spring and to also study the motion of a spring with a hanging mass when vibrating under the influence of gravity. From the free body diagram shown in Figure 3, we see that the total force on the mass is the force of gravity minus the string's tension. k is called the spring constant and is a measure of the stiffness of the spring. Join Yahoo Answers and. State the relationship between the net force and the acceleration as observed in your obtained graph. Now hang m = mf + 30 grams from the string. Lab 6: Force, Mass and Acceleration or reconsider your answer to 1. (1) Fk=− x. Click Keep. Set up the cart, force probe, and motion detector on the 2-m track as shown below. The principle will be shown through the different masses that will be placed on a cart and hanging mass because as the hanging mass increases, the acceleration of the object being pulled should also increase. Students will present answers to homework and analyze motion in cooperative groups. Call (800) 321OSHA or your state plan for assistance. 196) Note: Although errors due to rounding, the equation is still correct due to the relative closeness of all answers. Question: Newtons Second Law- Cart With Hanging Mass ^^^First Lab Information^^^ To Find A: In The First Motion Lab You Should Have Found That The Acceleration Of The Cart Is Constant While The Weight Is Falling. Using a stopwatch with a lap timer and metric tape, it is possible to determine t1, T and D for each launch. Purpose Theory. A suitable mass is hung on the weight hanger. During the lab, students will become familiar with solving a problem involving the conservation of potential and kinetic energy. It still has the 50kg*m/s of momentum, so it must be moving at. The mass of the hanging weight is used to find the. Ben Ertel AP Physics 1 Per. Since the two masses are. Adjust the string so that the distance between the top of the tube and the middle of the stopper is 0. 1 Purpose 3. Care needs to be taken that the string remains parallel to the surface of the incline. You now have a string with two fixed ends. Physics - Tuckey Name: Lever Lab (Balancing Lab) / 10 Skip… One of the simplest examples of torque is the simple teeter -totter. Release the weight on the weight hanger. Then, the glider will be accelerated by the hanging mass. I have a mixture of Sodium Bicarbonate (NaHCO3) and Sodium Carbonate (Na2CO3). Newton’s second law details the relationship between net force, the mass, and the acceleration: The acceleration of an object is in the direction of the net force. We will use a microphone and computer to accurately measure short time intervals. For a simple pendulum (a small mass on a long string), the restoring. For the cart with mass M, consider the forces parallelto the inclined plane. When I multiplied the final velocity, 1. Errors in reading of dimensions. As the cart moves and the 20-g hanging mass descends, work is done by the gravitational force on the cart-hanging mass system. In the first situation the object will hang Cart You will have a spring, a mass hanger and set of masses, a PASCO cart, cart weights, an aluminum track, an end-stop, a piece of string, and a meter stick. Lab Set-up: There is a gray flat ramp placed on a level table that is. Equipment Mobile cart on wheels, pulley and pulley clamp, paper clips, stopwatch. Answer the following question BEFORE the lab session (15 pts) 1. All masses were measured to the nearest gram using a triple-beam balance. Let’s agree to use a hanging mass of 0. Take mass from cart and add to hanging mass (changing force but not mass) Take slope of V vs T curve ; Typical Student Report - Lab 2 of 2 Purpose: The introduction of dynamics is done by a standard modified Atwood machine lab. My original plan was to find the lever arm of the meter stick with the weight and than calculate the torque by using the equation torque = lever arm x force. Chapter 3 Oscillations: Mass on aSpring and Pendulums 3. Measure the mass of the cart, m A, using the triple beam balance. In budgeting for laboratories, schools must consider the ongoing costs of equipment. Text in other colors are additional comments and instructions put into this help page. Use the following formula to calculate μ k. Teachers of very young students can even play this up creating a scenario in which the teacher accidentally lost the rest! Goggles are recommended for young students. The mass of the cart was constant while the hanging mass changed. Set up the glider, spring scale, string and hanging mass as shown above. Horizontal Pulley with Friction Application of Newton's second law to a horizontal pulley. Refer to the appendix on using LoggerPro if necessary. Gather the data. What is the physical meaning of the slope? 3. ” Either confirm or deny this prediction with your data, and explain why the person is right or wrong. Hewitt CONCEPTUAL PHYSICS Needham, Massachusetts Upper Saddle River, New Jersey Glenview, Illinois CP02_SE_LAB_ FM 3/5/01 12:28 PM Page i. Use the Table display to determine the following: change in position of the hanging mass (∆h). time graph look the If both the cart's mass and the hanging mass are doubled, will the new velocity. time and a velocity vs. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. Gather the data. Mass m2 is a cart, able to roll on the lab table with a small but finite friction. From large hanging weights to precision masses with accuracy to 0. Again, pull the cart along the track as far as possible away from the pulley, but not closer than 15 cm to the motion sensor. 0-g mass on the S-shaped hanger. 50 Experiment 9: Torques and Rotational Motion Advance Reading Text: Torque, center of mass, stable and unstable equi-librium, lever arm Lab Manual: Appendix A Objective To measure torques on a rigid body, to determine the. Both Lab Report formats provide a consistent and orderly means for recording the outcome of each lab studied. do not put the title on the bottom of preceding page). Figure 3 illustrates the experimental situation and the forces acting on the cart and hanging mass. stretched position of the spring, and the total mass hanging from the spring. Forces - Part 2. • Determine the Spring Constant, k, of a given spring and use it to calcula te the work done by a spring. This report must be typed, and any diagrams, figures, or tables should be embedded into the document. ‹ Experiment 2 - Kinematics up Experiment 4 - Conservation of Energy ›. Test to be sure that the motion detector sees the cart during its complete motion, and that the string and force probe cable are not interfering with the motion detector. Instead of standard after-lab-questions, ask students to complete the missing title and objectives. If plot is linear, what you expect for the slope and intercept? Use equations to support your answer. Activity 2-1: Velocity and Acceleration of a Cart That Is Speeding Up 1. Make a graph of the cart’s velocity after object A has hit the floor, as a function of the mass of the cart for the same mass of object A and height through which ob-ject A falls. In this lab this was analyzed in multiple collision situations. Part III: Cart on an inclined plane , mass of trolley, mass hanger T M m Complete the following exercises on a separate sheet of paper and turn in your work with your lab report. Say you have a massless string going over a pulley attached to a cart on a frictionless surface one end, and a hanging mass on the other end. Physics - Tuckey Name: Lever Lab (Balancing Lab) / 10 Skip… One of the simplest examples of torque is the simple teeter -totter. Laboratory Report. Now you have all of the pieces to calculate the moment of inertia Iof the rigid body using Eq. Release the weight on the weight hanger. At equilibrium the net restoring force exerted by the springs has the same magnitude as the weight of the hanging mass. and mass when you apply the same constant force to carts of different mass. It is also a requirement for any E&O insurance policy. LABORATORY VII ROTATIONAL DYNAMICS Lab VII - 1 Describing rotations requires applying the physics concepts you have already been studying – position, velocity, acceleration, force, mass, kinetic energy, and momentum to objects that can rotate. Errors in reading of dimensions. This is a classic introductory physics problem. CONCLUSIONS:. In an Atwood's machine, as shown below, the difference in weight between the two hanging. In our experiment, a box with leather padding on the bottom is pulled by a hanging weight over a ledge. Secure them at their ends with C‐clamps. After that we added two more masses to the weight hanger for a total weight of 60 grams added. Both teams of subject-matter experts consisted of master AP. ?? is the distance (in meters) that the spring has been stretched. The purpose of this lab experiment is to study the behavior of springs in static and dynamic situations. Newton’s Second Law – Practical Report Essay Sample. Measure its initial height from the floor. Here's how it's done. In Method 2 the mass of the glider was the independent variable. 5 kilograms (1500 g) stacked on the cart, plus whatever you piled on. Friction Force Lab Abstract The purpose of this lab is to help better understand what friction is and how it affects an object’s movement close to the surface of the earth. Physics Laboratory Report Sample PHY 223 Lab Report Newton's Second Law Your Name: Partner's Full Name(s): The total hanging mass (the mass of the weight hanger and the mass hung on it), m 1 = 0. In science, it is frequently the case that a wise man is needed to ask the right ques-tion rather than to answer it. Basically, you have a cart on a frictionless track (call this m 1) with a string that runs over a pulley to another mass hanging below (call this m. From these equations, you can determine the acceleration of the masses and the tension. where k is the constant from Hooke's Law and M is the “combined mass,” defined by Equation 3, which can be found from a full, detailed derivation. , the farther away from the axis of rotation the mass of an object is located, the harder it is to alter the object’s rotational velocity. Look up values for citric acid concentration in juices and compare your value vs. From the free body diagram shown in Figure 3, we see that the total force on the mass is the force of gravity minus the string's tension. Step 4 When the picket fence completely passed thru the photogate a graph of the acceleration vs. doc's ECW Physical Science - The Lab Write-up-the older forms, includes weather form Apologia's Exploring Creation With Biology includes. The objective of this lab was to use a meter stick and a 100g lead weight to find the mass of the meter stick. Remember, the motion detector must always be between 15 cm and 100 cm below the mass for it to. The additional mass also has an approxi-mate mass of 500g. Each person’s report must be in his or her own words as much as possible. 2 Test Conditions—Conduct tests in the standard laboratory atmosphere of 23 6. Then choose one. All masses were measured to the nearest gram using a triple-beam balance. (Include all of the graphs in your report. The acceleration of an object depends on the net applied force and the object’s mass. If Newton's second law works, what SHOULD your graph of Force vs.