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Gravity and Friction (Friction (The Causes of Friction (friction depends…
Gravity and Friction
Friction
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sliding friction
when to solid object rub (push something, it rubs on ground)
rolling friction
like sliding friction, but for rolling so not as much friction
fluid friction
solid when meets fluid: air/water, not as bad as sliding friction
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Gravity and Motion
Free Fall
when only gravity applies, it is free fall (causes it to go faster
air resistance
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when it reaches its max speed (terminal velocity) which is when air resistance is equal to the weight of the object falling
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