Q.
45.
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What is kinetic friction and also write the laws of kinetic friction
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Answer:
kinetic friction is a force act between moving surface.
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kinetic friction -
Kinetic friction is a force that acts between moving surfaces .
Laws of kinetic friction -
Amontons first law ,The force of friction is directly proportional to the applied load . Amontons Second law ,The force of friction is independent of thr apparent area of contact .
Coulombs law of friction ,kinetic energy is independent of the sliding velocity
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