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Friction is necessary : If there is no friction between any two surfaces in contact, then the present day civilization will be no more- as we cannot even walk properly on the earth. There will be no fabrics and garments, no construction of buildings and no furniture, even no cooking and no vehicles. So friction is necessary. But too much friction causes a heavy loss of energy, wear and tear of machinery. Thus, the efficiency of machines will decrease tremendously. So, it is rightly said that friction is a necessary evil.
Wiki User
∙ 15y ago
Wiki User
∙ 11y ago1.Heat produced in the moving parts of machines causes wear and tear of the parts.
2.A lot of energy is wasted in overcoming friction.
3.Friction causes wear and tear of the soles of shoes.
4.Friction causes the damage of parts of machines and equipments which have to face the force of friction.
Wiki User
∙ 11y agoguys
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vftdtet
Wiki User
∙ 11y agoFriction is a necessary evil because:-
a) It can't be completely avoided
b) It is actually useful in many cases
Wiki User
∙ 12y agofriction is called a necessary evil because we cannot completly avoid it an actually it is used in many cases.
Wiki User
∙ 10y agoFriction is not always evil; it is quite necessary for many things to work. But sometimes it can be a nuisance; specifically, friction tends to waste energy.
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What is the source for mechanical motion supplied to a generator called?
friction
When regions do not receive enough precipitation to account for the amount of water necessary to thrive it is called?
When regions do not receive enough precipitation to account for the amount of water necessary to thrive, it is called a water drought.drought
What are the two factors that affect the friction force between two surfaces?
The strength of the force of friction depends on the types of surfaces involved and on how hard the surfaces push together.
What is the centre of an earthquake called?
The epicentre is the point ON THE SURFACE. The centre of the earthquake at the point of initial friction/point of origin is called the hypocentre (sp. hypocenter in USA).
When regions do not receive enough precipitation to account for the amount of water necessary thrive it is called a water?
When regions do not receive enough precipitation to account for the amount of water necessary to thrive, it is called a water drought.drought
Advantages of friction a necessary evil?
A necessary evil means that friction has advantages as well as disadvantages so it called as necessary evil. Advantages of friction areits helps us to walkto writedriving car, etc,
Why is friction called a evil?
friction is called a necessary evil because we cannot completly avoid it an actually it is used in many cases.
Why is friction called necessary evil?
Friction is called a necessary evil because we cannot completly avoid it an actually it is used in many cases.
Why is friction a disadvantage?
Loss of energy. Any way friction is a necessary evil
Prove that friction is a necessary evil?
Yes necessary evil. If friction is totally absent then no wheel could roll on the road. No chance of walking on the floor. We cannot hold even the pen. Same time too much of friction would bring a terrible loss of energy.
Why friction is a necessary evil?
because we cant walk , hold articles , we cant write and the construction of house is impossible. but there are some disadvantages in friction.
Is friction necessary for motion?
No. Friction is just necessary for controlling motion.
Why did slaves called necessary evil?
Because they were black and people were reassest
Why tv is a necessary evil?
television "a necessary evil
What is the duration of Necessary Evil film?
The duration of Necessary Evil - film - is 1.45 hours.
Is Home work a necessary evil?
yes home work is a necessary evil but we should protest about it
When was Necessary Evil - film - created?
Necessary Evil - film - was created on 2008-12-31.
