Question: A crate of 45.0-kg tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just
A crate of 45.0-kg tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move when your force exceeds 313 N. After that you must reduce your push to 208 N to keep it moving at a steady 25.0 cm/s.
(a) What are the coefficients of static and kinetic friction between the crate and the floor?
(b) What push must you exert to give it an acceleration of 1.10 m/S2?
(c) Suppose you were performing the same experiment on this crate but were doing it on the moon instead, where the acceleration due to gravity is 1.62 m/S2. (i) What magnitude push would cause it to move? (ii) What world its acceleration be if you maintained the push in part (b)?
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IDENTIFY Apply Fma to the crate f n and fxxn SET UP Let y be upward and let x b... View full answer
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