Define rolling friction
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Answer:
What is Rolling Friction?
For a moving solid body, there are two principal types of friction that act upon it:
The force resisting the motion of a rolling body on a surface is known as rolling friction or rolling resistance. Rolling of ball or wheel on the ground is an example of Rolling friction.
The other type of friction is sliding friction. In this type of friction, there is a restriction on the body’s movement as only one side of the body is in contact with the surface. Pushing a box across the table is an example of Sliding friction.
Rolling friction is considerably weaker than sliding friction.
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Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface. ... In analogy with sliding friction, rolling resistance is often expressed as a coefficient times the normal force.