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If the friction force value is doubled, calculate the new value of the coefficient of friction.

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If the friction force value is doubled, calculate the new value of the coefficient of friction.

(a) 4 times of the original value

(b) 2 times of the original value

(c) 7 times of the original value

(d) Remains the same

This question was posed to me in an international level competition.

I'm obligated to ask this question of Nature of Traction Load topic in chapter Traction Drives of Electric Drives

1 Answer

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Right choice is (d) Remains the same

Explanation: The value of the coefficient of friction will not change if the friction force is doubled. It only depends upon the nature of the surface.

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