Question

which of the following does not happen due to friction?
A) A nail is fixed in the wall.
B) fire can be produced with a
matchstick.
C) heat is produced.
D) durability of chappals increases.
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Answer 1

Explanation:

surfaces in contact

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

The force adjusts its magnitude to balance the applied force upto a limiting value.

Answer 2

Explanation:

(D). Durability of Chappals increases

This doesn't happens due to friction.