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Write an essay about friction and its advantages.​

Sagot :

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Friction is a force that acts to slow down the movement of two objects that are in contact. Frictional energy is converted into sound and heat. There are two types of friction: static and kinetic. Friction is used by even a person sliding across the floor.

Friction assists us in walking on the ground, automobile brakes use friction to stop the car, asteroids are burned in the atmosphere before reaching Earth due to friction, and it aids in the formation of heat when we rub our hands.

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What is a friction?

Friction is the resistance to motion of one object moving relative to another. There are several types of friction. Some advantages and disadvantages of Friction are given below.

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.

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