Question

write five advantages and 5 disadvantages of a friction​

Answer 1

Answer:

Advantage of friction

-It is becomes difficult to walk on a slippery road due to low friction. ...

-We can not fix nail in the wood or wall if there is no friction. ...

-A horse can not pull a cart unless friction furnishes him a secure Foothold.

-We can write on a paper or on a board.

-Friction helps in applying the brakes.

Disadvantages of friction

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.

4. Due to friction, noise is also produced in machines.

5. Due to friction, engines of automobiles consume more fuel which is a money loss.