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A Constant Force of 45 N Directed at Angle θ\theta To the Horizontal Pulls a Crate of Weight 100 N

Question 39

Multiple Choice

A constant force of 45 N directed at angle θ\theta 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 ×\times 102 J
B) 48.0 J
C) 3.9 ×\times 102 N/m
D) 1.7 ×\times 102 J
E) 3.9 ×\times 103 J

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