friction force depend upon contact area or not.if depen how
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Answer Posted / prasad
FRICTION IS THE OPPOSIVE FORCE FROM THE CONTACT AREA, NORMAL
REACTION IS THE OPPOSIVE FORCE TO THE CONTACT SURFACE, IF THE
CONTACT AREA INCREASES THEN FRICTION ALSO INCRASES.. EG: THE
WIDE TYRES MAKE MORE FRICTION AND LESS MILAGE THAN NARROW
TYRES.........
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