Question

frictional force always acts _____to the surface​

Answer 1

Hey mate here is your answer:

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→Frictional force always acts tangent to the surface.

Friction is a resisting force which acts on a body to prevent or retardd its motion. Friction force always acts tan-gent to the surface at points of contact.

Friction force always acts opposite to the direction of motion.

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Hope it helps you.

Answer 2

Frictional force always acts parallel to the surface