Question

1. what is Friction? Give two advantages and two disadvant
tages of friction.

plsss answer the question

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Answer 1

$\large\bf\underline{\underline{Answer}}$

• Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

Answer 2

Answer:

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• Friction is the force that resists motion when the surface of one object comes in contact with the surface of another.

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$\longmapsto\tt{❥︎\: ADVANTAGES\:OF\: FRICTION}$

• 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.

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$\longmapsto\tt{❥︎\: DISADVANTAGES\:OF\: FRICTION}$

• 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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