Question

The force of friction come into play when two surface are in desh contact with each other

Answer 1

Answer:

Frictional force acts between two surfaces in contact. It stops the object from moving as the irregularities on both the surface lock into each other, thus obstructing any forward motion. Hence, frictional force always opposes the applied force.

Explanation:

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Answer 2

a) Friction opposes the motion between the surfaces in contact with each other.

(b) Friction depends on the nature of surfaces. ...

(d) Sprinkling of powder on the carom board reduces friction.

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