Question

good and bad sides of friction​

Answer 1

Answer:

Advantages 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.

Disadvantages of Friction:

• Friction produces unnecessary heat leading to the wastage of energy.
• The force of friction acts in the opposite direction of motion, so friction slows down the motion of moving objects.
• Forest fires are caused due to the friction between tree branches.
• A lot of money goes into preventing friction and the usual wear and tear caused by it by using techniques like greasing and oiling.

Explanation:

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Answer 2

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