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PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy? PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce

PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?

PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce efect of friction?4.write about fluied friction, how fluied  friction can controles?5.Define how area of contact increases pressure?6.Explain any two kind of frictional forces? 

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******** *** ****** come in contact **** **** ***** friction acts ******* **** ****** ******** ********** ****** ** ********* **** heat energyTwo ****** are ****** ******** ** generate **** ********* it ***** * long **** *** *** ****** get hot and ********** **** ** *********

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