A crate of books rests on a level floor. To move it along the floor at a constant velocity, why do you exert less force if you pull it at an angle u above the horizontal than if you push it at the same angle below the horizontal?
A crate of books rests on a level floor. To move it along the floor at a constant velocity, why do you exert less force if you pull it at an angle u above the horizontal than if you push it at the same angle below the horizontal?
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A crate of books rests on a level floor. To move it along the floor at a
constant velocity, why do you exert less force if you pull it at an angle u above
the horizontal than if you push it at the same angle below the horizontal?
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