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Which one of the following is the correct relationship?

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in Electric Drives by (99.6k points)
Which one of the following is the correct relationship?

(a) F=μR

(b) F=4μR

(c) F=3μR

(d) F=2μR

The question was posed to me in a job interview.

The above asked question is from Nature of Traction Load topic in division Traction Drives of Electric Drives

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Correct choice is (a) F=μR

To explain: The value of the friction force is the product of the coefficient of friction and normal reaction. The correct value is F=μR.

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