A constant force of 45 N directed at angle to the horizontal pulls a crate of weight 100 N from one end of a room to another a distance of 4 m.Given that the vertical component of the pulling force is 12 N,calculate the work done by the force in moving the crate.
A) 4.1 102 J
B) 48.0 J
C) 3.9 102 N/m
D) 1.7 102 J
E) 3.9 103 J
Correct Answer:
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