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3 cards from this section. Quick, good the night before a test.
What is friction?
Think about how you stop a moving bicycle.
Name the two types of friction.
One is when objects are at rest and the other when they are moving.
What type of friction occurs when an object is at rest?
What happens when you try to push a heavy box without it moving?
True or False: Rolling friction is always greater than sliding friction.
Think of how easy it is to roll a ball compared to sliding it.
A heavy box rests on a rough surface. If the static friction is much greater than the weight, how can we move it?
Think about how mechanics move heavy equipment.
In a fluid environment, how can an object be designed to minimize drag?
What happens to your hand when you thrust it through water?
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