A body of mass 6 kg is under a force which causes displacement in it given by s = t^2/4 metre where t is time. The wore done by the force in 2 seconds is (Ans: 6 J)
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Answer:
the answer should be 60J , if mass is multiplied by g = 10m/s2 and 58.8 if multiplied by g = 9.8m/s2
Explanation:
i think the ans written is wrong in book
F = m×g
= 6×10 (let g= 10 m/s2)
= 60 N
work done = f×s
= 60 × (2)^2/4= 60 × 4/4= 60J
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