Question

A body of mass 3 kg is under a constant force which causes a displacement s in metres in it,given by the relation   , where t is in seconds. Work done by the force in 2 seconds is:-

A

J

B

J

C

J

D

J

Medium
Updated on : 2022-09-05
Solution
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Correct option is C)

By using work energy theorem

W = KE =

Now s = v =

v = 0, v = 2 = ms 

Therefore W = 3 - 3 =  

Solve any question of Work, Energy and Power with:-
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