Question

please follow Q. What are the advantages and disadvantages of friction?​

Answer 1

Answer:

Advantages and Disadvantages of Friction

Friction is responsible for many types of motion.

It helps us walk on the ground.

Brakes in a car make use of friction to stop the car.

Asteroids are burnt in the atmosphere before reaching Earth due to friction.

It helps in the generation of heat when we rub our hands.

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Answer 2

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Advantages of friction:

1. Friction enables us to walk freely.
2. It helps to support ladder against wall.
3. It becomes possible to transfer one form of energy to another.

Disadvantages of friction:

1. It always resists the motion, so extra energy is required to overcome it.
2. It causes wear and tear of machines.
3. It decreases the life expectancy of moving parts of vehicles.

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