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Grade: 12
        

a wheel of perimeter 4 Pi m is rolling on a horizontal surface. The displacement of the point of contact of wheel and ground when the wheel completes one quarter of revolution is

3 years ago

Answers : (1)

KAPIL MANDAL
132 Points
							
See , the perimeter of wheel is 4 pi meter.
So, each rotaion the wheel makes, it goes a distance 4 pi meter.
So, the quarter of a revolution makes the displacement = (4 pi / 4) meter = pi meter = 3.14 meter.
Hope you got the answer.
3 years ago
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