give examples to show that friction is both a friend and a foe
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friend
= it help us to write on paper using pen or pencil
= it helps us to walk
foe
= it causes wear and tear of object.
= it causes damage to machine parts as they grow more warm
= it help us to write on paper using pen or pencil
= it helps us to walk
foe
= it causes wear and tear of object.
= it causes damage to machine parts as they grow more warm
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Friction is friend because we walk on the road due to its (if there was no friction we get slipped). It helps in writing a piece of paper.It help us in lighting match-stick etc.
It is foe
example- people skid on the snow due to it.
wear and tear of objects due to it.
It is foe
example- people skid on the snow due to it.
wear and tear of objects due to it.
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