To pull a 50 kg crate across a horizontal frictionless
Chapter , Problem 58(choose chapter or problem)
To pull a 50 kg crate across a horizontal frictionless floor, a worker applies a force of 210 N, directed 20( above the horizontal. As the crate moves 3.0 m, what work is done on the crate by (a) the workers force, (b) the gravitational force, and (c) the normal force? (d) What is the total work?
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