PASCO ME-9430 Instruction Manual And Experiment Manual
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PASCO ME-9430 Instruction Manual And Experiment Manual

Dynamics cart with mass
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Instruction Manual and
012-04840E
Experiment Guide for
the PASCO scientific
Model ME-9430
Dynamics Cart with Mass

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Summary of Contents for PASCO ME-9430

  • Page 1 Instruction Manual and 012-04840E Experiment Guide for the PASCO scientific Model ME-9430 Dynamics Cart with Mass...
  • Page 3 To be certain year from the date of shipment to the customer. PASCO the unit will not be damaged in shipment, observe the will repair or replace, at its option, any part of the product...

  • Page 4: Table Of Contents

    012-04840E Dynamics Cart Table of Contents Section Page Copyright, Warranty, Equipment Return, and Credits ....i Introduction ..........1 Equipment .

  • Page 5: Introduction

    012-04840E Dynamics Cart Introduction The PASCO Model ME-9430 Dynamics Cart with While performing experiments, you may find that you Mass performs high quality motion experiments get better results by making the surface over which the through its low-friction design. cart rolls more uniform and clean. One way that this...

  • Page 6: Equipment

    • (1) 500g Mass 8704) • Instruction Manual/Experiments Guide • A pulley and clamp, such as PASCO's Super Pul- ley with Clamp (ME-9448) or Super Pulley (ME- 9450) used with Model ME-9376A Universal Table Clamp and Model SA-9242 Pulley Mount- ing Rod •...

  • Page 7: Experiment 1: Kinematics (Average Vs. Instantaneous Velocities)

    012-04840E Dynamics Cart Experiment 1: Kinematics (Average vs. Instantaneous Velocities) EQUIPMENT NEEDED: – Dynamics Cart (ME-9430) – Metric tape (SE-8712) – Stopwatch (SE-8702) Figure 1.1 Purpose In this lab, the Dynamics Cart will be used to investigate one dimensional accelerated motion.
  • Page 8 012-04840E Dynamics Cart Procedure 1. Once you have roughly determined the range of the cart, clearly mark a distance, d, that is about half way out from the start. Measure this distance and record it at the top of Table 1.1. 2.

  • Page 9: Experiment 2: Coefficient Of Friction

    012-04840E Dynamics Cart Experiment 2: Coefficient of Friction EQUIPMENT NEEDED: – Dynamics Cart (ME-9430) – Metric tape (SE-8712) – Stopwatch (SE-8702) Purpose In this lab, the Dynamics Cart will be launched over the floor using the on-board spring launcher. The cart will “decelerate” over the floor under the combined action of rolling friction and the average floor slope.
  • Page 10 012-04840E Dynamics Cart Procedure 1. Place the cart in its starting position and then launch it. To cock the spring plunger, push the plunger in, and then push the plunger upward slightly to allow one of the notches on the plunger bar to “catch”...

  • Page 11: Experiment 3: Newton's Second Law (Predicting Accelerations)

    012-04840E Dynamics Cart Experiment 3: Newton's Second Law (Predicting Accelerations) EQUIPMENT NEEDED: Bumper block – Dynamics Cart (ME-9430) Trigger – Pulley and pulley clamp (ME-9448) – Mass set (SE-8704) – Stopwatch (SE-8702) – String Figure 3.1 – Paper clips – Block (to act as bumper) –...
  • Page 12 012-04840E Dynamics Cart Dynamics Cart. Drape the string over the pulley. Adjust the pulley so the string is level. 4. Adjust the length of the string so that the longest arrangement of masses that you intend to use will not hit the floor before the cart has reached the end of its run. Put a loop in this end of the string.
  • Page 13 012-04840E Dynamics Cart Data Analysis d = __________ cm M = __________ grams TOTAL Table 3.1 Average time Trial % Diff. m (grams) (sec.) Questions 1. Can you think of any systematic errors that would effect your results? Explain how each would skew your results.
  • Page 14 012-04840E Dynamics Cart Notes: ®...

  • Page 15: Experiment 4: Cart Calibration (Measuring The Spring Constant)

    012-04840E Dynamics Cart Experiment 4: Cart Calibration (Measuring the Spring Constant) EQUIPMENT NEEDED: – Dynamics Cart (ME-9430) – 500 g mass – Mass set (SE-8704) – Stopwatch (SE-8702) – Pan for holding masses – 15 cm/6 in ruler (SE-8730) – Balance (SE-8723 or equiv.)
  • Page 16 012-04840E Dynamics Cart Procedure 1. Stand the Dynamics Cart on its end so that the spring plunger is aimed up, as shown in Figure 4.1. Using masking tape or rubber bands, fix a ruler to the cart and adjust it so that the 0 cm mark on the ruler lines up with the upper surface of the plunger.
  • Page 17 012-04840E Dynamics Cart Table 4.1 F (= mg) Trial x (meters) m (kg) (newtons) ®...
  • Page 18 012-04840E Dynamics Cart Notes: ®...

  • Page 19: Experiment 5: Rackets, Bats And "Sweet Spots

    (see page 18 for details). The position of SS2 can be found experimentally using the PASCO Force Transducer or, roughly, by actually hitting a ball at a variety of positions on the bat and noting where the least shock to your wrists occurs. In this experiment, a method for determining the location of SS1 is described.
  • Page 20 012-04840E Dynamics Cart Procedure 1. Set up the system as shown in Figure 5.1. Position the cart so that its plunger hangs over the edge of the table several centimeters. NOTE: You will need a long, horizontal table or board for this experiment. A 3/4 inch by 1 foot by 8 foot plywood board is recommended.
  • Page 21 012-04840E Dynamics Cart Data and Analysis Table 5.1 Average Optional Trial x (cm) y (cm) x (cm) µmgx (joules) y-position of SS1 = _____ cm y-position of SS2 = _____ cm Questions 1. Is it possible to construct a “Super-bat” for which both SS1 and SS2 coincide? If so, what changes would have to occur to the uniform rod to bring SS1 and SS2 closer together? (You might use the Sweet-Spot computer program to help you answer this!) 2.
  • Page 22 012-04840E Dynamics Cart “Sweet Spot” Computer Program The following is a listing of the “Sweet Spot” computer program written by Scott K. Perry of American River College, Sacramento, CA., using Quickbasic 4.5. PRINT: PRINT REM Program: SWEET SPOTS and PERCUSSION POINTS (Fixed Pivot) COLOR 14 REM (Version: 15DEC91)

  • Page 23: Experiment 6: Sliding Friction And Conservation Of Energy

    012-04840E Dynamics Cart Experiment 6: Sliding Friction and Conservation of Energy EQUIPMENT NEEDED: – Dynamics Cart (ME-9430) – Stopwatch (SE-8702) – Metric tape (SE-8731) – Brick or block of wood – Long board that can be used as a ramp –...
  • Page 24 012-04840E Dynamics Cart Procedure NOTE: To get consistent results in this experiment, you must insure that the ramp you will be using is both straight and clean. Wipe the surface of the ramp and the friction block with a rag. Determining coefficient of kinetic or “sliding”...
  • Page 25 012-04840E Dynamics Cart Data and Analysis ø = _________ Spring constant, k = _________ (from Experiment 4) Table 6.1 Trial t (sec) d (cm) average acceleration = _________ coefficient of sliding friction = _________ θ = _________ Predicted value of D = _________ cm Table 6.2 Trial D (cm)
  • Page 26 012-04840E Dynamics Cart Notes: ®...

  • Page 27: Appendix (Replacing Parts)

    • The plastic cover may get pulled off the plunger Screws bar catch. Replace with the new cover. • If the plunger bar becomes defective, please con- tact PASCO scientific for technical support. Rear Endcap Plunger bar trigger 2. Push the wheels into the recessed area and slide the Velcro tab base plate over the wheels.
  • Page 28 012-04840E Dynamics Cart Replacement Parts Description Part No. Wheel-axle assembly ME-6957 End cap, modified 648-04699 For rear end cap assembly add: End cap plug 648-04694 Plunger bar 648-04653 Plunger bar knob assembly Screw (10-32x1/4 socket cap) 610-179 Knob 620-033 Plunger bar catch cover 699-04658 Compression spring (plunger bar) 632-035...
  • Page 29 -Type of computer (make, model, speed) To Reach PASCO: -Type of external cables/peripherals • If your problem is with the PASCO apparatus, note: For Technical Support, -Title and model number (usually listed on the label) Phone: 1-800-772-8700 (toll-free within the U.S.) -Approximate age of the apparatus or (916) 786-3800.

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