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A block of mass of mass 1 kg moves under...

A block of mass of mass 1 kg moves under the influence of external forces on a rough horizontal surface. At some instant it has a speed of 1m/s due east and an acceleration of `1 m//s^(2)` due north . The force of friction acting on it is F.

A

F acts due west.

B

F acts due south.

C

F acts in the south-west direction.

D

The magnitude of F cannot be found from the given data.

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The correct Answer is:
A, D
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