advantages of friction and disadvantage of friction
Answers
Answer:
Advantages of friction :
Friction enables us to walk freely.
It helps to support ladder against wall.
It becomes possible to transfer one form of energy to another.
Objects can be piled up without slipping.
Breaks of vehicles work due to friction.
Disadvantages of friction:
It always resists the motion, so extra energy is required to overcome it.
It causes wear and tear of machines.
It decreases the life expectancy of moving parts of vehicles.
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Answer:
Advantages of friction-
• friction helps us to walk. Friction between a feet and ground enables us to give the ground floor shop in the absence of friction, we would slip and fall. The friction between Paypal and pen enables us to ride. Without friction, the plan would keep sleeping on the surface of the paper.
• a matchstick lights UP due to the heat produced by friction between the head of the matchstick and the Lightning surface of a Matchbox.
Disadvantages of friction
• wastage of energy
• e increase in fuel consumption
• wear and tear
• production of unwanted heat
• production of unnecessary noise