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sir, the rolling friction laws are 1. the rolling frictional force is inversely proportional to radius 2. it increases with area of contact.
FOR A BIGGER WHEEL RADIUS IS GREATER.THE AREA OF CONTACT IS GREATER.SO FRICTION IS GREATER. BUT FROM FIRST POINT THE FRICTION SHOULD BE LESS IF THE WHEEL RADIUS IS GREATER.
HOW THIS IS POSSIBLE PLEASE EXPLAIN
Dear Srinivas,
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction:
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