A body is moving with a velocity 1 m s^(...

A body is moving with a velocity `1 m s^(-1)` and a force F is needed to stop it within a distance `x`. If the speed of the body is `3 ms^(-1)`, then force needed to stop it within the same distance `(x)` will be :

1.5 F

3 F

6 F

9 F

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