Question

Friction is caured by the two sufaces in contact ​

Answer 1

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• Friction is caused by the two surface in contact.
• When the two surface are in contact with each other and have irregularities, they get interlocked.

Answer 2

Friction opposes relative motion
If a object is moving toward north the friction would oppose the force in the direction south
It’s always there (friction)
Friction occurs ONLY WHEN OBJECTS IN CONTACT