Kinematics Question 254

Question: A body, acted upon by a force of 50 N it’s d it’splaced through a distance 10 meter in a direction making an angle of 60° with the force. The work done by the force be

Options:

A) 200 J

B) 100 J

C) 300

D) 250 J

Show Answer

Answer:

Correct Answer: D

Solution:

$ W=\overrightarrow{F}.\overrightarrow{S}=FS\cos \theta $

$ =50\times 10\times \cos 60{}^\circ =50\times 10\times \frac{1}{2}=250J. $



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