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You can do it google. I can give one clue as its explanation is very long.
As you know in rolling friction there is a very small contact between the two surfaces so, the number of bond created is very small(between two surfaces) which is greater in sliding friction.
So, the rolling friction is less than sliding friction.
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hii friend
Sliding friction is the force resisting the motion when a body slides on a surface. The force of friction depends on the area of contact between the two surfaces. As the area of contact is less in the case of rolling than in the case of sliding, rolling friction is less than the sliding friction
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hope it help you
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