Friction is a both a friend and an evil in our daily life
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friction as a friend:
1) friction allows us to walk or run without slipping.
2) Friction allows vehicles to travel on the road safety.
3) it enables us to hold things , to fix nail, to construct a buildings and apply brakes etc..
Friction as an evil:
friction causs wearing and tearing the surface which are in contact.
frcition produces heat in machine which can damage some parts of machine.
friction also causes wasting of energy and fuels.
1) friction allows us to walk or run without slipping.
2) Friction allows vehicles to travel on the road safety.
3) it enables us to hold things , to fix nail, to construct a buildings and apply brakes etc..
Friction as an evil:
friction causs wearing and tearing the surface which are in contact.
frcition produces heat in machine which can damage some parts of machine.
friction also causes wasting of energy and fuels.
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