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Q.

What are the advantages and disadvantages of friction ?

Asked by anantharaman, 14 Dec '09 10:01 pm
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Answers (4)

1.

Advantages of friction are:-
1) We can write on a paper or on a board.
2) Friction helps in applying the brakes.
3) It helps in walking on floor.

Disadvantages of friction are:-
1) Wearing and tearing of machinery parts occur.
2) Reduces the efficiency of our vehicles.
Answered by Shikha Aggarwal, 14 Dec '09 10:07 pm

 
  
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2.

ADVANTAGES OF FRICTION
Friction plays a vital role in our daily life. Without friction we are handicap.
1. It is becomes difficult to walk on a slippery road due to low friction. When we move on ice, it becomes difficult to walk due to low friction of ice.
2. We can not fix nail in the wood or wall if there is no friction. It is friction which holds the nail.
3. A horse can not pull a cart unless friction furnishes him a secure Foothold.
DISADVANTAGES OF FRICTION
Despite the fact that the friction is very important in our daily life, it also has some disadvantages like:
1. The main disadvantage of friction is that it produces heat in various parts of machines. In this way some useful energy is wasted as heat energy.
2. Due to friction we have to exert more power in machines.
3. It opposes the motion. ...more
Answered by Shan Real, 14 Dec '09 10:02 pm

 
  
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3.

Balanced friction is must but extreme friction is detrimental for constructive work.
Just as power of reasoning can not be activated without debate but too much negative criticism ends up in zero outcome.
Answered by gangadhar dalal, 14 Dec '09 10:11 pm

 
  
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4.

Adentages-In some situations, friction is very important and beneficial. There are many things that you could not do without the force of friction.
Walking

You could not walk without the friction between your shoes and the ground. As you try to step forward, you push your foot backward. Friction holds your shoe to the ground, allowing you to walk. Consider how difficult it is to walk on slippery ice, where there is little friction.

Matches

when you strike a match it makes friction

Writing ...more
Answered by Pardeep kapoor, 14 Dec '09 10:03 pm

 
  
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