Question

State three advantages of friction.

Answer 1

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.

• It always resists the motion, so extra energy is required to overcome it.

Answer 2

Answer:

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1.Friction enables us to walk freely.

1.Friction enables us to walk freely.2.It helps to support ladder against wall.

1.Friction enables us to walk freely.2.It helps to support ladder against wall.3.It becomes possible to transfer one form of energy to another.

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