explain why:-a) a pencil will write on paper but not on glass.b) the handles of motorcycle are covered with rubber sheet with spikes.
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This two questions come under same concept that's friction
Friction is the force resisting the relative motion of body
a)bcz glass surface is so smooth that there is no friction n make it reverse here
b)As without these rubber sheet the soft metal doesnot provide friction in normal words grip so it is covered by rubber sheet
Friction is the force resisting the relative motion of body
a)bcz glass surface is so smooth that there is no friction n make it reverse here
b)As without these rubber sheet the soft metal doesnot provide friction in normal words grip so it is covered by rubber sheet
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