define friction what is causes of friction ?
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Friction is an opposite force that against the direction of an applied force.
In one of the Newtons law of motion he stated that in every action there is an opposing force acting so now this synopsis can advocate that friction us caused if the is applied force.
In one of the Newtons law of motion he stated that in every action there is an opposing force acting so now this synopsis can advocate that friction us caused if the is applied force.
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What is friction?
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. Friction opposes the relative motion between two surfaces in contact . It acts on both the surfaces.
What causes friction?
Friction is cause due to the interlocking of irregularities between the two surfaces in contact.
Smooth surfaces have minute irregularities between the two surfaces. Rough surface have larger irregularities between the two surfaces. So force of friction is more if the surface are rough.
(You can refer the image attached with my answer )
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