friction enables us to cut wood with saw. explain in brief the advantage of friction
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Friction is a force which opposes the motion of a body. The magnitude of friction in a wood depends on its surface. If the surface is rough, it provides more friction and if it is smooth it provides less friction. So it is friction which helps a saw to cut a wood
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Friction is a force which opposes the motion of a body. The magnitude of friction in a wood depends on its surface. If the surface is rough, it provides more friction and if it is smooth it provides less friction. So it is friction which helps a saw to cut a wood
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