Physics - Section 1 Multiple Questions and Answers.
Exercise Questions ::
Physics - Section 1
Published by:Ifrah Hameed
Published by:Ifrah Hameed
23. It is more difficult to walk on a sandy road than on a concrete road because
A. sand is soft and concreter is hard B. the friction between sand and feet is less than that between concrete and feet C. the friction between sand and feet is more than that between concrete and feet D. the sand is grainy but concrete is smooth
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24. Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
A. 0.14 m/s B. 140 m/s C. 1.4 km/s D. 14 m/s
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