Question

1. The force which opposes the relative
motion of two surfaces of bodies in
Contact is called.
A.frictional force
B. Electric force
c. Tension force
D. Magnetic force.
​

Answer 1

Answer:

A. frictional force.

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Answer 2

Answer:

A.frictional force

Explanation:

Friction is the force that opposes the relative motion or tendency of such motion of two surfaces in contact. It is also the contact of two objects creating static electricity. ... Friction between solid objects and fluids (gases or liquids) is called fluid friction.

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