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14 Oct 2018
Q5.10 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 0 above the horizontal than if you push it at the same angle below the horizontal?
Q5.10 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 0 above the horizontal than if you push it at the same angle below the horizontal?
Sixta KovacekLv2
16 Oct 2018
