Friction is a necessary evil. Discuss.
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Friction is known as a nesssary evil because
it helps as:
--we would not be able to walk without friction
--without friction we would slip
--the brakes of the vehicles also work by friction
it causes problems as:
--it wears out thematerials wheter they are screws, ball bearings ors soles of shoes
--because of wearing out of these materials we have to buy things again and again
Friction is known as a nesssary evil because
it helps as:
--we would not be able to walk without friction
--without friction we would slip
--the brakes of the vehicles also work by friction
it causes problems as:
--it wears out thematerials wheter they are screws, ball bearings ors soles of shoes
--because of wearing out of these materials we have to buy things again and again
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Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. ... Hence it is considered as a necessary evil .
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