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Which of the following is not an example of rolling friciton?

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Ball bearing

A bowling ball

A wheel on the ground

Pushing of heavy objects

answer is D.

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Detailed Solution

Pushing of heavy objects is not an example of rolling friciton.
The force that can resist the sliding or roll of a solid object over another is the frictional force.
Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main origin of friction in rolling appears to be the dissipation of energy involved in the deformation of the objects.
The following are the factors affecting the rolling friction. The shape of the wheel or the curved surface. Nature of the surface on which it is rolling. Speed of the wheel. The radius of the wheel.
And pushing heavy objects generates sliding friction because when we push heavy objects, the force we are applying to push the heavy object is less than the force that resists the movement of the body, which results in static friction.

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