SPH3U Kinematics/Dynamics Lab: Coefficient of Friction Materials: An object that will slide down the ramp for which
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SPH3U Kinematics/Dynamics Lab: Coefficient of Friction
Materials:
- An object that will slide down the ramp for which you know, or can measure, the mass (a water bottle, a mug, deck of cards, etc.). Use a kitchen scale if you have one. 500mL of water weighs 500g.
- A ramp. This can be a book, a large cutting board, even a laptop. The longer the better.
- A ruler
- Something to lift the ramp up - erasers, notebooks, etc.
- Stopwatch (on your phone or other device)
Procedure
- Set up the ramp, no need to measure the height yet.
- Place the object at the top of the ramp. If it slides down right away - reduce the slope of the ramp.
- When the slope isjust steep enough for the object to slide, record the ramp height, horizontal length and the distance the objects slides down (the hypotenuse) Ramp height:_____________ Horizontal length:__________ Distance along the ramp(hypotenuse): ___________ Angle between the ramp and the horizontal surface:__________
- To find the component of force of gravity that acts along the ramp, use the following diagram, show your calculations:
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