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Pasco Scientific ME-9458 Instruction Manual And Experiment Manual

Dynamics cart accessory track set (2.2m version)
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Includes
Instruction Manual and
012-05024E
Teacher's Notes
6/94
and
Experiment Guide for the
Typical
Experiment Results
PASCO scientific Model
ME-9458 and ME-9452
Dynamics Cart Accessory
Track Set (2.2m version)
© 1992 PASCO scientific
$10.00

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Summary of Contents for Pasco Scientific ME-9458

  • Page 1 Includes Instruction Manual and 012-05024E Teacher's Notes 6/94 Experiment Guide for the Typical Experiment Results PASCO scientific Model ME-9458 and ME-9452 Dynamics Cart Accessory Track Set (2.2m version) © 1992 PASCO scientific $10.00...

  • Page 3: Table Of Contents

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Table of Contents Section Page Copyright, Warranty, and Equipment Return ........... ii Introduction ...................... 1 Equipment ......................1 Assembly ......................3 Using the Friction Block................... 5 Replacement Parts .................... 6 Experiments Exp 1: Conservation of Momentum in Explosions ......7 Exp 2: Conservation of Momentum in Collisions ........

  • Page 4: Copyright, Warranty And Equipment Return

    When returning equipment for repair, the units must be Limited Warranty packed properly. Carriers will not accept responsibility PASCO scientific warrants this product to be free from for damage caused by improper packing. To be certain defects in materials and workmanship for a period of one the unit will not be damaged in shipment, observe the year from the date of shipment to the customer.

  • Page 5: Introduction

    NOTE: The End Stop has a round head screw The ME-9459 Introductory Dynamics Demonstration on the top to allow easy attachment of springs, System includes all the components of the ME-9458 string, etc. plus the following: • Force Table Clamp with Super Pulley.
  • Page 6 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Additional Equipment Required for ME-9458 Additional Equipment Recommended • Dynamics Cart with Mass (ME-9430) • Photogate Accessory Kit with Software, (Apple) (ME-9436) or (IBM PC) (ME-9437) Specific experiment requirements: – Thread • Software Accessory Kit, (Apple) (ME-9438) or –...

  • Page 7: Assembly

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Assembly Thread forming screws Magnet Bumper Assemblies Dynamics Cart (not included) Plunger Bar Rear End Cap ➤ Note: This end cap does Front End Cap not have the hook and pile pads Hook-and-pile Pads Installing the Magnet Bumpers...
  • Page 8 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E ➄ Installing the Leveling Feet To level the track, place a cart on the track to see which way it rolls. Then loosen the lock nuts and The leveling feet serve 3 purposes: to level the track, screw the leveling screws up or down to change the to reduce any twist in the track, and to reduce any bow height of one end of the track until the cart when...

  • Page 9: Using The Friction Block

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) ➃ Installing the Adjustable End Stop When storing the End Stop when it is not on the track, remember that it has two strong magnets in The Adjustable End Stop can be used at any point on it.

  • Page 10: Replacement Parts

    Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Replacement Parts (ME-9458) Description Part No. Magnet Bumper Kit Assembly (4per) 003-05027 Super Pulley with Clamp (1ea) ME-9448A Friction Block (1ea) 003-04708 Label, Magnet Caution (1ea) 646-04445 Spring (3ea) 632-04978 Pivot Clamp Assembly:...

  • Page 11: Exp 1: Conservation Of Momentum In Explosions

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 1: Conservation of Momentum in Explosions EQUIPMENT NEEDED: – Dynamic Cart with Mass (ME-9430) – Collision Cart (ME-9454) – Dynamics Cart Track – Meter stick – Mass balance Purpose The purpose of this experiment is to demonstrate conservation of momentum for two carts pushing away from each other.
  • Page 12 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E ➁ For each of the following cases, place the two carts against each other with the plunger of the Dynamics Cart pushed completely in and latched in its maximum position (see Figure 1.1). ➂...

  • Page 13: Exp 2: Conservation Of Momentum In Collisions

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 2: Conservation of Momentum in Collisions EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Collision Cart (ME-9454) – (2) Bumper magnet set (installed) – Dynamics Cart Track – Paper Purpose The purpose of this experiment is to qualitatively explore conservation of momentum for elastic and inelastic collisions.
  • Page 14 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E B. Carts with Unequal Mass Put two mass bars in one of the carts so that the mass of one cart is approximately three times the mass (3M) of the other cart (1M). Case 1: Place the 3M cart at rest in the middle of the track.

  • Page 15: Exp 3: Simple Harmonic Oscillator

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 3: Simple Harmonic Oscillator EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Dynamics Cart Track – (2) Springs – Super Pulley with clamp – Mass hanger and mass set (ME-9348) –...
  • Page 16 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Leveling foot Adjustable End Stop Figure 3.1 Equipment Setup Super Pulley with Clamp Data and Analysis Table 3.1 Equilibrium position =____________ Mass of cart =____________ Displacement from Added Mass Position Force (mg) Equilibrium Measuring the Experimental Period ➆...
  • Page 17 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experimental Period ➀ Using the data in Table 3.2, calculate the average time for 5 oscillations with and without the 500 g mass in the cart. ➁ Calculate the period by dividing these times by 5 and record the periods in Table 3.2. Table 3.2 Trial Time for 5 Oscillations...
  • Page 18 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Notes:...

  • Page 19: Exp 4: Oscillations On An Incline

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 4: Oscillations on an Incline EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Dynamics Cart Track with End stop – Spring and Pivot clamp – Base and Support rod (ME-9355) –...
  • Page 20 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Table 4.1 Mass of Cart = ______________ Equilibrium position = ______________ Angle of Incline = ______________ Displacement from Added Mass Position Force (mg sinθ) Equilibrium Measuring the Experimental Period ➅ Displace the cart from equilibrium a specific distance and let it go. Time 3 oscillations and record the time in Table 4.2.
  • Page 21 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Table 4.2 Time for 3 oscillations Angle Trial 1 Period Experimental Period ➂ Using the data in Table 4.2, calculate the average time for 3 oscillations. ➃ Calculate the period by dividing these times by 3 and record the periods in Table 4.2. Questions ➀...
  • Page 22 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Notes:...

  • Page 23: Exp 5: Springs In Series And Parallel

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 5: Springs in Series and Parallel EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Base and Support rod (ME-9355) – Dynamics Cart Track with End stop – Mass balance – (2) Springs –...
  • Page 24 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E ➃ Displace the cart from equilibrium a specific distance and let it go. Time 2 oscilla- tions and record the time in Table 5.1. Repeat this measurement at least 5 times, using the same initial displacement (amplitude). Figure 5.1 Equipment Setup Measuring the Effective k For Pairs of Springs ➄...
  • Page 25 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Calculations ➀ Using the data in Table 5.1, calculate the average time for 2 oscillations. ➁ Calculate the period by dividing these times by 2 and record the periods in Table 5.1. ➂...

  • Page 26: Exp 6: Newton's Second Law

    Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Experiment 6: Newton’s Second Law EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Dynamics Cart Track – Stopwatch Purpose The purpose is to show how the acceleration of an object is dependent on force and mass. Procedure ➀...

  • Page 27: Exp 7: Newton's Second Law Ii

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 7: Newton’s Second Law II EQUIPMENT NEEDED: – Dynamics Cart (ME-9430) – Dynamics Cart Track – Super Pulley with Clamp – Base and Support rod (ME-9355) – String – Mass hanger and mass set –...
  • Page 28 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E the cart 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 cart moves too slowly, friction causes too much error.

  • Page 29: Exp 8: Acceleration Down An Incline

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 8: Acceleration Down an Incline EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Dynamics Cart Track – Base and Support rod (ME-9355) – Meter stick – Stopwatch – Graph paper Purpose The purpose is to study how the acceleration of an object down an incline de- pends on the angle of the incline and to obtain the acceleration due to gravity.
  • Page 30 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E ➅ Repeat the experiment for a total of 7 angles, lowering the track in increments of 1 cm for each new angle. Table 8.1 Data Analysis Height of Track 10 cm 9 cm 8 cm 7 cm 6 cm...
  • Page 31 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Table 8.2 Height Acceleration θ Hypotenuse = _________________ ➄ 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...
  • Page 32 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Notes:...

  • Page 33: Exp 9: Conservation Of Energy

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 9: Conservation of Energy EQUIPMENT NEEDED: – Dynamics Cart with Mass (ME-9430) – Dynamics Cart Track – Super Pulley with Clamp – Meter stick – Base and Support rod (ME-9355) – Mass hanger and mass set –...
  • Page 34 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E adjustable end stop Figure 9.1 Experiment Setup Table 9.1 Displacement from Added Mass Position Force (mg) Equilibrium Potential Energy ➅ Remove the leveling feet. ➆ Remove the string from the cart and cock the spring plunger to its maximum compression position.
  • Page 35 012-05024E Dynamics Cart Accessory Track Set (2.2m version) ➈ Record the initial position of the cart in Table 9.2. ➉ Release the plunger by tapping it with a stick and record the distance the cart goes up the track. Repeat this five times. Record the maximum distance the cart went in Table 9.2. Change the angle of inclination and repeat the measurements.
  • Page 36 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Notes:...

  • Page 37: Additional Experiments

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) 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 but instead of putting the track directly on the table, place it on the additional mass bar so that the bar acts as a fulcrum. Position the bar so the carts and track are balanced.
  • Page 38 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Displace the two carts on the left away from the cart on the right and release and observe the mode of oscillation. Displace the middle cart and release and observe the mode of oscillation. Experiment 17: Multiple Elastic Collisions (For the ME-9459 system) Use two Collision Carts and one Dynamics Cart.

  • Page 39: Teacher's Guide

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Teacher’s Guide Experiment 1: Conservation of Energy in Explosions ➃ Notes on Data Analysis The starting position does not depend on which cart has the plunger cocked. During the “explosion”, the Position X1/X2 M2/M1 momentum of the carts will be affected by the fact 497.5...
  • Page 40 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Experiment 3: Simple Harmonic Oscillator Notes on Procedure Notes on Calculations ➅ ➀ For best results, make sure that the springs are nei- The spring constant k = 3.089 N/m for the springs ther over-stretched nor hanging loose.
  • Page 41 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 4: Oscillations on an Incline Notes on Procedure Notes on Calculations ➀ The angle of inclination of the track should be The spring constant k = 1.5595 for the spring tested between 5 and 15°...
  • Page 42 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Experiment 5: Springs in Series and Parallel Notes Notes on Questions ➀ Keep the angle of the track low, especially if you The effective spring constant is 2k for springs in are using a short (1.2m) track. Otherwise, the carts parallel.
  • Page 43 012-05024E Dynamics Cart Accessory Track Set (2.2m version) Experiment 7: Newton’s Second Law II If the mass used to accelerate the cart is too low, Notes on Questions friction will be a very significant source of error. If it ➀ The results of this experiment generally show is too high, then the time will be short and accurate that F = ma.
  • Page 44 Dynamics Cart Accessory Track Set (2.2m version) 012-05024E Experiment 9: Conservation of Energy Analysis Notes on Questions ➀ ➀ The initial spring potential energy is larger. (Gener- ally. There are experimental errors, which can make the gravitational energy appear larger than the initial spring potential.) The “lost”...

  • Page 45: Technical Support

    012-05024E Dynamics Cart Accessory Track Set (2.2m version) Technical Support Feed-Back Contacting Technical Support If you have any comments about this product or this Before you call the PASCO Technical Support staff it manual please let us know. If you have any sugges- would be helpful to prepare the following information: tions on alternate experiments or find a problem in the •...

This manual is also suitable for:

Me-9452

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