A 70middotkg packing crate is pulled with constant speed


A 70·kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 37.0° above the horizontal. The tension in the rope is 180·N and the crate moves 4.1·m.

(a) How much work is done by the rope on the crate? J

(b) What is the total work done on the box by all forces? J

(c) How much work is done by friction on the box? J

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Physics: A 70middotkg packing crate is pulled with constant speed
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