Question

Do you agree with the statement."friction is both good and evil."explain with examples

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Answer 1

Answer:

Friction helps us in writting and making drawings. If there were no friction, we would not be able to hold a pen vertically. It is friction that opposes slipping and helps us to hold the pen. also there is friction between our pen and the paper which prevents the pen from slipping on the paper.

Answer 2

Answer:

Yes, friction as a friend ;

i) It allows us to walk comfortably

ii) It allows us to grip and catch other objects.

iii) Things do not move from their place beacuse of the friction.

iv) Speeds of moving objects can be controlled due to friction.

Friction as an evil;

i) When a tyre deflates it is difficult to move the vehicle because of increased friction between the tyre and road.

ii) Machines get heated up and produce noise because of friction.

iii) Due to friction machines and vehicles consume more fuel and increase maintenance act.

Explanation:

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