012-07558A PAScar Accessory Track Set (2.2 Meter) Table of Contents Section Page Copyright, Warranty, and Equipment Return ............ ii Introduction ....................... 1 Equipment ......................2 Assembly ......................3 Using the Friction Block ................... 5 Additional or Replacement Parts ............... 6 Experiments Exp 1: Conservation of Momentum in Explosions ........
Limited Warranty NOTE: NO EQUIPMENT WILL BE PASCO scientific warrants this product to be free from ACCEPTED FOR RETURN WITHOUT AN defects in materials and workmanship for a period of AUTHORIZATION. one year from the date of shipment to the customer.
012-07558A PAScar Accessory Track Set (2.2m version) Introduction Features include: The PASCO Model ME-6956 PAScar Accessory Track Set (2.2 meter version) enables the user to • Adjustable leveling feet perform a wide variety of experiments. The track • Low friction wheel slots keep the cars aligned ensures easy setup and accurate alignment with the even after a collision.
012-07558A PAScar Accessory Track Set (2.2m version) Assembly For assembly, you will need to attach the Pivot Attach the Leveling Feet to the Track Clamp, leveling feet and Adjustable End Stop to the The leveling feet serve three purposes: to level the track.
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PAScar Accessory Track Set (2.2m version) 012-07558A Align the square nut within the groove on the the leveling screws up or down to change the desired side of the Dynamics Track. Slide the height of one end of the track until the car placed leveling foot down the track to the desired posi- at rest stays at rest.
012-07558A PAScar Accessory Track Set (2.2m version) Thread-forming screws Plunger release spring Bottom cover plate Magnetic bumpers Trigger bar Plunger spring Plunger bar Wheel/axle assembly(includes wheel bearings) Velcro tabs Suspension springs Figure 6: Components of the PAScar (Model ME-6950) Replacing the Wheel-Axle Assemblies 3.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 1: Conservation of Momentum in Explosions EQUIPMENT NEEDED: – 2 PAScars with Mass (ME-6950) – Dynamics Track – Meter stick* – Mass balance (SE-8723)* *Not included in Track Set Purpose The purpose of this experiment is to demonstrate conservation of momentum for two cars pushing away from each other.
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PAScar Accessory Track Set (2.2 Meter) 012-07558A 3. Push the plunger release button with a short stick and watch the two cars move to the ends of the track. Experiment with different starting positions until the two cars reach their respective ends of the track at the same time.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 2: Conservation of Momentum in Collisions EQUIPMENT NEEDED: – 2 PAScars with Mass (ME-6950) – (2) Bumper magnet set (installed) – Dynamics Track – Paper* *Not included in Track Set Purpose The purpose of this experiment is to qualitatively explore conservation of momentum for elastic and inelastic collisions.
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PAScar Accessory Track Set (2.2 Meter) 012-07558A B. Cars with Unequal Mass Put two mass bars in one of the cars so that the mass of one car is approximately three times the mass (3M) of the other car (1M). Case 1: Place the 3M car at rest in the middle of the track.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 3: Acceleration Down an Incline EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Dynamics Track – Base and support rod (ME-9355)* – Meter stick* – Stopwatch (SE-8702B)* – Graph paper* *Not included in Track Set Purpose The purpose is to study how the acceleration of an object down an incline depends on the angle of the incline and to obtain the accelera-...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Table 3.1 Height of Track l a i l a i l a i l a i l a i l a i l a i l a i l a i Initial position of car = _______________ Final position of car = _______________ Total distance (d) = _______________ Data Analysis...
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012-07558A PAScar Accessory Track Set (2.2 Meter) Table 3.2 θ Height Acceleration Hypotenuse = _________________ 5. Plot acceleration versus sinθ. Draw the best-fit straight line and calculate its slope. (This slope should equal g.) Calculate the percent difference between the slope and g. slope = ______________________ % difference = _______________ Questions...
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 4: Simple Harmonic Oscillator EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Dynamics Track – (2) Springs* (646-04445) – Super Pulley with Clamp (ME-9448A)* – Mass hanger and mass set (ME-9348)* – Stopwatch (SE-8702B)* –...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Leveling foot Figure 4.1: Equipment Setup Adjustable End Stop Super Pulley with Clamp Data and Analysis Table 4.1 ____________ ____________ Equilibrium position = Mass of car = Displacement from Added Mass Position Force (mg) Equilibrium Measuring the Experimental Period 7.
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012-07558A PAScar Accessory Track Set (2.2 Meter) (car with mass) T = ________________ Experimental Period 1. Using the data in Table 4.2, calculate the average time for 5 oscillations with and without the 500 g mass in the car. 2. Calculate the period by dividing these times by 5. Record the periods in Table 4.2. Table 4.2 Trial Time for 5 Oscillations...
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 5: Oscillations on an Incline EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Dynamics Track with End Stop – Spring (646-04445)* and Pivot Clamp – Base and support rod (ME-9355)* – Mass hanger and mass set (ME-9348)* –...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Mass of car = ______________ Equilibrium position = ______________ Angle of incline = ______________ Table 5.1 Force (mg sinθ) Displacement from Added Mass Position Equilibrium Measuring the Experimental Period 6. Displace the car from equilibrium a specific distance and let it go. Time 3 oscillations and record the time in Table 5.2.
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012-07558A PAScar Accessory Track Set (2.2 Meter) Table 5.2 Time for 3 oscillations Angle Trial 1 Period Experimental Period 3. Using the data in Table 5.2, calculate the average time for 3 oscillations. 4. Calculate the period by dividing these times by 3 and record the periods in Table 5.2. Questions 1.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 6: Springs in Series and Parallel EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Base and support rod (ME-9355)* – Dynamics Track with End Stop – Mass balance (SE-8723)* – (2) Springs (646-04445)* –...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A 4. Displace the car from equilibrium a specific distance and let it go. Time 2 oscillations and record the time in Table 6.1. Repeat this measurement at least 5 times, using the same initial displacement (amplitude).
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012-07558A PAScar Accessory Track Set (2.2 Meter) Calculations 1. Using the data in Table 6.1, calculate the average time for 2 oscillations. 2. Calculate the period by dividing these times by 2 and record the periods in Table 6.1. 3. Using the periods and the mass of the car, calculate the effective spring constants. Mass of car = ______________ Table 6.1 Time for 2 oscillations...
PAScar Accessory Track Set (2.2 Meter) 012-07558A Experiment 7: Newton’s Second Law EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Dynamics Track – Stopwatch (SE-8702B)* *Not included in Track Set Purpose The purpose is to show how the acceleration of an object is dependent on force and mass.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 8: Newton’s Second Law II EQUIPMENT NEEDED: – PAScar (ME-6950) – Dynamics Track – Super Pulley with clamp (ME-9448A)* – Base and support rod (ME-9355)* – String* – Mass hanger and mass set (ME-9348)* –...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A hanger so that the car takes about 2 seconds to complete the run. Because of reaction time, too short of a total time will cause too much error. However, if the car moves too slowly,friction causes too much error.
012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 9: Conservation of Energy EQUIPMENT NEEDED: – PAScar with Mass (ME-6950) – Dynamics Track – Super Pulley with Clamp (ME-9448A)* – Meter stick* – Base and support rod (ME-9355)* – Mass hanger and mass set (SE-8759)* –...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Adjustable end stop Figure 9.1: Experiment Setup Table 9.1 Displacement from Added Mass Position Force (mg) Equilibrium Potential Energy 6. Remove the leveling feet. 7. Remove the string from the car and cock the spring plunger to its maximum compression position.
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012-07558A PAScar Accessory Track Set (2.2 Meter) 9. Record the initial position of the car in Table 9.2. 10. Release the plunger by tapping it with a stick and record the distance the car goes up the track. Repeat this five times. Record the maximum distance the car went in Table 9.2. 11.
012-07558A PAScar Accessory Track Set (2.2 Meter) Additional Experiment Suggestions Experiment 11: Conservation of Center of Mass Set up the track in the configuration shown in Figure 1.1 in Experiment #1. (Note: Instead of put- ting the track directly on the table, place it on the additional mass bar so that the bar acts as a ful- crum.) Position the bar so the cars and track are balanced.
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Displace the two cars on the left away from the car on the right and release and observe the mode of oscillation. Displace the middle car and release and observe the mode of oscillation. Experiment 17: Multiple Elastic Collisions (For the ME-9459 system) Use two Collision Carts and one PAScar.
012-07558A PAScar Accessory Track Set (2.2 Meter) Teacher’s Guide Experiment 1: Conservation of Energy in Explosions Answers to Questions 4. The starting position does not depend on the car that has the plunger cocked. During the 1. Momentum is conserved in each case. “explosion,”...
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Experiment 3: Acceleration Down an Incline Answers to Questions Data Analysis 1. Assuming that reaction time is relatively con- stant, the percent error due to reaction time would be greater for shorter times and higher angles.
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012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 4: Simple Harmonic Oscillator Notes on Procedure Notes on Calculations 6. For best results, make sure that the springs are 1. The spring constant k = 3.089 N/m for the neither overstretched nor hanging loose. For springs used here.
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Experiment 5: Oscillations on an Incline Notes on Procedure Notes on Calculations The inclination angle of the track should be 1. The spring constant k = 1.5595 for the spring between 5 and 15° for best results. You may tested here.
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012-07558A PAScar Accessory Track Set (2.2 Meter) Experiment 6: Springs in Series and Parallel Answers to Questions Keep the angle of the track low, especially if you are using a short (1.2m) track. Otherwise, 1. The effective spring constant is 2k for springs in the cars will go off the end of the track when the parallel.
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PAScar Accessory Track Set (2.2 Meter) 012-07558A Experiment 8: Newton’s Second Law II Answers to Questions If the mass used to accelerate the car is too low, friction will be a very significant source of error. 1. The results of this experiment generally show If it is too high, then the time will be short and that F = ma.
012-07558A PAScar Accessory Track Set (2.2 Meter) Technical Support Feedback Contacting Technical Support If you have any comments about this product or Before you call the PASCO Technical Support staff this manual, please let us know. If you have any it would be helpful to prepare the following infor- suggestions on alternate experiments or find a mation:...
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