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Question

A force of 60 N acts on a body which moves it through a distance of 4 m on a horizontal surface. What is the work done, if the direction of the force is at an angle of 60 to the horizontal surface?



Your Answer
A

100 J

Correct Answer
B

120 J

Your Answer
C

75 J

Your Answer
D

150 J


Solution

The correct option is B

120 J


Given that F= 60 N
Displacement (s) = 4m
θ=60
Work done = F.S . cosθ
=60×4 cos60=240×12
Work done = 120 J

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