Which of the following kinetic friction is very rare?
(A) Limiting friction
(B) Static friction
(C) Rolling friction
(D) Sliding friction
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I think its answer is b I.e. static friction....
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⏩Which of the following kinetic friction is very rare?
(A) Limiting friction
(B) Static friction
(C) Rolling friction
(D) Sliding friction
☑ Static friction is the force of friction is greater than the applied force. On the other hand If you apply a little more force, the object "breaks free" and slides, although you still need to apply force to keep the object sliding. This is kinetic friction. Thus,μs >μk
The rolling friction is the force just resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface. It is very small resisting force than the other two friction.
Therefore, μs>μk >μr
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