why does friction occur when two surface are im contact
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1
This because heat ia generated by the offered resistance.
hope it helps
hope it helps
Oindrilla2005:
friction occurs because no surface is perfectly smooth.Rougg surfaces have more friction between them.Heavier objects also have more friction as they press togather with greater force
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on the surface of any object there are many irregularities that come in contact with each other .this causes friction between them.
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