Question

Explain the force of friction ​

Answer 1

Answer:

Friction is a force between two surfaces that are sliding, or trying to slide, across each other. ... Friction always slows a moving object down. The amount of friction depends on the materials from which the two surfaces are made. The rougher the surface, the more friction is produced. Friction also produces heat.

Answer 2

Answer:

between two object there is always a force opposing their motion

this force is due to their rough surface

this force can be reduced by using lubricant like oil

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