A block if mass m placed on a rough horizontal surface is acted by a force F. If the block is moving with a constant speed then
(a) frictional fore acting on the bock is alone the force F.
(b) frictional force acting on the block is opposite to the force F.
(c) frictional force acting on the ground due to block is opposite to the force F.
(d)frictional force action in the ground due to the blockis along the force F.
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A block if mass m placed on a rough horizontal surface is acted by a force F. If the block is moving with a constant speed then
(a) frictional fore acting on the bock is alone the force F.
(b) frictional force acting on the block is opposite to the force F.
(c) frictional force acting on the ground due to block is opposite to the force F.
(d)frictional force action in the ground due to the blockis along the force F.
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