Question

૩ 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.
(only correct answers, no gusses allowed) ​

Answer 1

Answer:

A ans is correct

Explanation:

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Answer 2

(D) durability of chappals increases does not happen due to friction.

Explanation for the answer:

• The friction is a force which helps in the motion of objects due to resistance provided at the contact of two surfaces.
• Due to friction, the other options such as A nail is fixed in the wall; fire can be produced with a matchstick; heat is produced all are possible due to friction.
• Though, due to friction the chappal's durability decreases rather than increases.
• Hence, the durability of chappals increases doesn't happen due to friction.
• Thus, the correct answer among all the options is option (D) durability of chappals increases.

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