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Answer:
FRICTION
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.
-Friction helps to wear cap, ring, and belt.
-Friction help in the transfer of energy.
-Friction helps in making fire.
Friction helps to hold onto objects.
-Produces unwanted heat.
-Reduces efficiency of machines.
-Eco-hazard.
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.
For more info you can check this website
"https://byjus.com/questions/what-are-the-advantages-and-disadvantages-of-friction/"
Explanation:
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