Question

advantages and disadvantages of friction?​

Answer 1

Answer:

advantages of friction.

1. friction helps us to walk without slipping.
2. friction produces heat.

disadvantages of friction.

1. machine might stop working.
2. sometimes more energy is required for Movement of our body.

Answer 2

ADVANTAGES

*Being able to walk across the surface sleeping. This static friction.

*Writing on a piece of paper with a pencil or a pen.

*Driving a car across the road services this is called rolling friction.

*Jumping out of the aeroplane with the help of parachute.

DISADVANTAGES

* it produces heat in many part of the machine. in this way some useful energy are waste by the heat energy.

* it opposes the motion.

* infection noise is also produced in the machine.

* due to friction we have to exert more power in the machine.