Question

friction is a necessary evil why explain with suitable example

Answer 1

Hello user !!!

Your answer :-

Friction is evil and good .

Friction is evil because :-

→It makes the machines to create noise which causes noise pollution.

→It also heats up the machines faster and there is a chance of catching fire.

→Friction lets the machines to wore out its parts.

→Friction makes us slip easily on floor on wet floor.

Hope this helps you :)

Answer 2

♡hii dear friend here ur answer!!
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▪if there is no friction, all objects that are in motion is constantly in motion.........that is,Newton's 1st law of motion that states that an object in motion is in motion unless acted upon by an unbalanced force.

This unbalance force is called the frictional force or opposing force......

hence, friction is necessary so that all objects will at certain times be at rest.

▪example:-
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▪A motion cannot be transferred. In a rotating machine wheel by motor wheel by a belt cannot be done if there is no friction between the belt and the wheels.

▪Grinding will not take place.
Wheat and spices will remain ungrounded.
________________________________________hope my answer help u plz mark nrainlist dear dost☺☺