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What is kinetic friction

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What is kinetic friction
  • 1 answers

Yogita Ingle 5 years, 8 months ago

  • Force that resists motion of one body over another with which it is in contact.
  • Denoted by fk
  • As motion starts, fs vanishes and fk appears
  • Kinetic friction is Independent of the area of contact and velocity of the body
  • It varies with Normal reaction, N

fk ∝ N

fk = constant * N

fk = μk N; μk is the coefficient of kinetic friction

 

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