Question

what is friction ??
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Answer 1

Answer:

Friction :

Explanation:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Answer 2

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.

SI unit = newton

Directions=

Friction when an object slides along a surface. Direction is opposite the object's sliding direction and is parallel to the contact surface. Friction that prevents an object from sliding along a surface. Direction stops the object from sliding against another surface and is parallel to the contact surface.