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A body of mass 5 kg is at rest on a smoo...

A body of mass 5 kg is at rest on a smooth horizontal surface. A horizontal force 'F' acts on it for 4s and then ceases to act. If the body travels 40 m in the next 5s, the value of F is,

A

5 N

B

20 N

C

15 N

D

10 N

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The correct Answer is:
D
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