question_answer

Adjacent figure shows the force-displacement graph of a moving body, the work done in displacing body from \[x=0\] to \[x=35\,m\] is equal to                                [BHU 1997]

A)             50 J

B)               25 J

C)                         287.5 J            

D)                           200 J

Correct Answer: C

Solution :

         Work done = (Shaded area under the graph between                                    x = 0 to x = 35 m) \[=287.5\,J\]