rolling friction defination and its types
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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.
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Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rolling appears to be dissipation of energy involved in deformation of the objects
Some examples of items that have rolling friction are:
Truck tires.
Ball bearings.
Bike wheels.
Soccer ball, basketball, or baseball.
Car tires.
Skateboard tires.
Railroad steel wheels.
Bowling ball.
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