Question

6. What is the cause of friction?​

Answer 1

Explanation:

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.

Answer 2

Question:-

What is the cause of friction?​

Formula:-

$f=u N$

$f=$ friction force

$u=$ coefficient of friction

$N=$ normal force

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.

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