explain four method by which friction between two solid surface in contact can be reduced
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1.Friction can be reduced by applying lubricant between the surfaces.
2.It can be reduced by putting wheels or rollers the the surface so that sliding friction can become rolling friction.
3.for a rotating body, ball bearing can be used.
4.making the surfaces smoother by polishing can also help.
2.It can be reduced by putting wheels or rollers the the surface so that sliding friction can become rolling friction.
3.for a rotating body, ball bearing can be used.
4.making the surfaces smoother by polishing can also help.
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