Question

1. The friction that exists between a surface sliding on another surface, is called the :
(a) rolling friction
(b) sliding friction (c) static friction
(d) None of these

Answer 1

Answer:

Explanation:

The friction that exists between a surface sliding over another is called kinetic or sliding friction. When two bodies are in contact, and one body moves on the surface of the other body by sliding on it, the force of dynamic friction that exists in between the two bodies is called sliding friction.

answer is b

Answer 2

Answer:

b) sliding friction

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