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Coefficient friction is less when the pavement surface is A. Rough B. Smooth and wet C. Dry D. Smooth and dry

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Question added by Muhammad Shakeel , CAD Design Manager , M/S zeeruk Intl.
Date Posted: 2015/04/09
مهند ابو اجميل
by مهند ابو اجميل , باحث ميداني , مايندست

c In the case of dry friction slider where there is no lubrication or lubrication , independent of the speed friction force be approx. The friction force does not depend on the contact area between the body and the surface on which it slips .

Muhammad Shakeel
by Muhammad Shakeel , CAD Design Manager , M/S zeeruk Intl.

The correct Answer is Option-B "smooth & wet"

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