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Standard XII

Physics

Inertia

A body of mas...

Question

A body of mass $2 k g$ moving on horizontal surface with an initial velocity of $4 m / s e c$ comes to rest after $2 s e c$ . If one wants to keep this body moving on the same surface with a velocity of $4 m / s e c$ , then the force required is:-

8 N

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4 N

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zero

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2 N

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Solution

The correct option is B $4 N$

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A body of mass 2 kg moving on horizontal surface with an initial velocity of 4 m/sec comes to rest after 2 sec. If one wants to keep this body moving on the same surface with a velocity of 4 m/sec, then the force required is:-

The correct option is B 4 N

A body of mass $2 k g$ moving on horizontal surface with an initial velocity of $4 m / s e c$ comes to rest after $2 s e c$ . If one wants to keep this body moving on the same surface with a velocity of $4 m / s e c$ , then the force required is:-

The correct option is B $4 N$