what is frictional force ? answer fast plz.
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what is frictional force ? answer fast plz.
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it is the components of the contact force parallel to the surface of contact. the direction of the force of friction is opposite to the direction of relative motion between the surfaces.
or,
it is such as to oppose any tendency if relative motion between the surfaces.
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Answer:
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.