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What is the formula for coefficient of static friction?

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+1 vote
in Fluid Mechanics by (118k points)
What is the formula for coefficient of static friction?

(a) R/F

(b) F*R

(c) F/R

(d) F+R

I had been asked this question during an online interview.

This question is from Methods of Determination of Coefficient of Viscosity in division Viscous Flow & Turbulent Flow of Fluid Mechanics

1 Answer

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Best answer
The correct choice is (c) F/R

Easiest explanation: Coefficient of static friction is defined as the ratio of limiting frictional force to the normal reaction force. Limiting frictional force is denoted by ‘F’ and normal frictional force is denoted by ‘R’. Therefore, option ‘c’ is correct.

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