A body of mass 2 kg moving on a horizontal surface with initial velocity of 4 m s-1 comes to rest after two seconds. If

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answerhappygod
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A body of mass 2 kg moving on a horizontal surface with initial velocity of 4 m s-1 comes to rest after two seconds. If

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A body of mass 2 kg moving on a horizontal surface with initial velocity of 4 m s-1
comes to rest after two seconds. If one wants to keep this body moving on the same surface with a velocity of 4 m s-1, the force required is

(A)2N (B) 4N (C)0 (D)8N
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