PASCO ME-6828 - Manual
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Table of Contents:
- Page 2 – S to r a g e a n d S a fe t y; Always store the Magnetic Damping Accessory with the keeper in; to avoid being pinched or chipping the; Q u a l i t a ti v e D e m o n s tr a t io n s
- Page 3 – E x p e r im e n t 1 : D a m p e d O s c i l l a t i o n; Pull the cart up the track and hold it 20.0 cm from equilibrium.; Equipment
- Page 4 – Data Collection; Question
- Page 5 – E x p e r im e n t 2 : C r i t i c a l D a m p i n g
- Page 6 – exactly
- Page 7 – E x p e r i m e n t 2 : C r i t i c a l D a m p i n g; k x
- Page 8 – Under damping
- Page 9 – E x p e r im e n t 3 : Pr e d i c t i n g Te r m i n a l Ve l o c i ty; Introduction; Theory; b v
- Page 10 – m a
- Page 11 – E x p e r i m e n t 3 : P r e d i c t i n g T e r m i n a l V e l o c i t y; after; Analysis; Part II: Predicting Terminal Velocity; m b; m g
- Page 12 – Part III: Measuring Terminal Velocity; Questions
- Page 13 – S a m p l e D a t a; S a m p le D a t a; Experiment 1: Damped Oscillation
- Page 14 – Experiment 3: Predicting Terminal Velocity; From the slope and intercept of the best-fit line:
- Page 15 – T e c h n i c a l S u p p o r t; Te c h n i c a l S u p p o r t; For assistance with any PASCO product, contact PASCO at:; Address: PASCO scientific
800-772-8700
www.pasco.com
®
I n s t r u c t i o n M a n u a l
0 1 2 - 1 0 2 4 2 A
D y n a mi c s C a r t M a g n e t ic D a mp i n g
ME -682 8
For other recommended equipment, see experiments starting on page 3.
I n tro d u c ti o n
Use the Magnetic Damping Accessory to add drag to a PASCO dynamics cart. When the cart moves on an alumi-
num track, the accessory’s magnets generate eddy currents in the track, which cause an opposing magnetic field.
The resulting drag force is proportional to the cart’s velocity. The amount of damping can be varied by changing
the size of the gap between the magnets and the track.
This manual includes set-up instructions, three experiments (starting on page 3), and sample data (page 13).
S e t- u p
The Magnetic Damping Accessory attaches to a cart magnetically using the magnets built into the cart’s bumper.
If your cart does not have bumper magnets, install them before using the Magnetic Damping Accessory. (See
instructions included with your cart for bumper magnet installation.)
1.
Remove the keeper plate from the Magnetic Damping Accessory and put it aside.
1
2
Included Equipment
Par t Number
1.
Magnetic Damping Accessory
ME-6828
2.
Keeper plate
648-10173
Required Equipment
Par t Number
PAScar, Plunger Car t, or Collision Car t
ME-6950, ME-9430,
or
ME-9454
Aluminum Dynamics Track
ME-6953
or similar
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Summary
® D y n a m i c s C a r t M a g n e t i c D a m p i n g S t o r a g e a n d S a f e t y 2 2. Place the Magnetic Damping Accessory on the magnet-equipped end of the cart as illustrated. 3. Place the cart on an aluminum track. 4. Slide the Magnetic Damping Accessory up or down to adjust the amount of ...
® M E - 6 8 2 8 E x p e r i m e n t 1 : D a m p e d O s c i l l a t i o n 3 E x p e r im e n t 1 : D a m p e d O s c i l l a t i o n Set-up 1. Set up the equipment as illustrated. Use two or three weak springs combined end-to-end. Experiment set-up for Damped Oscillation 2. Adjust the angle of the t...
® D y n a m i c s C a r t M a g n e t i c D a m p i n g E x p e r i m e n t 1 : D a m p e d O s c i l l a t i o n 4 4. Release the cart. 5. Allow the cart to oscillate. Count (and write down) the number of down-up cycles that the cart completes before stopping. 6. Repeat steps 3 through 5 with the g...
