Question

what is frictoin and what r there uses?​

Answer 1

Answer:

A book moving across the desk is an example of sliding friction. ... A heavy object exerts more pressure on the surface it slides over, so the sliding friction will be greater. Air, water and oil are all fluids. Air resistance is a type of fluid friction. As an object falls, air resistance pushes up on the object.

Explanation:

@▄︻┻┳═一

Answer 2

Friction is the force which opposes motion. It helps us in many things like walking etc.

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