sand is soft and concreter is hard, the friction between sand and feet is less than that between concrete and feet, the friction between sand and feet is more than that between concrete and feet, the sand is grainy but concrete is smooth" />
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Today General Knowledge(GK)
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

Correct Answer : Option (B) - the friction between sand and feet is less than that between concrete and feet


Published On : July 3, 2020
Category : Physics
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