8th Science, English Medium 3. Explain why sliding friction is less than static friction.
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Answer: when a body is at rest,then the force acting between the two surface in contain is more due to irregularities on two surface locked into one another.
But when a body is moving or sliding, the contact points do not get enough time to lock into one another.so sliding friction is less than static friction
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Ans. The two sliding objects find less time to get interlocked against each other (objects and irregularities of surface). So they get less friction. Therefore sliding friction is always less than static friction.
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