Question

write some disadvantages of friction​

Answer 1

Explanation:

Disadvantages of friction:

•Friction produces a lot of heat in various parts of the machinery and this leads to wastage of energy as heat.

•Opposes motion, hence more energy is needed to overcome friction.

•Noise production in machines is irritating as well as leads to energy loss.

Answer 2

• Answer:
• Answer:Friction is responsible for many types of motion.
• Answer:Friction is responsible for many types of motion.It helps us walk on the ground.
• Answer: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.
• Answer: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.
• Answer: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.