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The displacement  in metre of a particle of mass  kg moving in one dimension under the action of a force is related  to the time  in second by the equation , the work done by the force (in joule) in first six seconds is

a)

b)

Zero

c)

d)


Question ID - 51062 | Toppr Answer

The displacement  in metre of a particle of mass  kg moving in one dimension under the action of a force is related  to the time  in second by the equation , the work done by the force (in joule) in first six seconds is

a)

b)

Zero

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Here

or 

At 

At 

Initial and final KE are same hence no work is done



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