Question

In displacing a body 5 m by the force of 50 n the work done is 125 j. Find out the angle between the directions of force and displacement

Answer 1

Explanation:

We know,

W=Fscos0

F=50N

S=5m

W=125J

125=50×5×cos0

cos0=125/250=0.5

Thus,

0=cos^-1(1/2)=60°

Thus the angle between force and dicplacement is 60°..

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