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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating frictional force?
Think about the components needed to find friction.
Define static friction.
It's what keeps an object at rest.
What type of friction prevents the motion of an object at rest?
Think about what keeps things stationary.
Kinetic friction is generally greater than static friction. True or False?
Consider how things start moving.
A student pushes a 12 kg box on a flat surface. If the coefficient of friction is 0.25, how much force is required to start moving the box?
Calculate the normal force before applying the coefficient.
Design an experiment to compare static and kinetic friction coefficients for two different surfaces.
Make sure to keep the variables controlled.
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