Question

how can friction be both a positive and negative aspect in our everyday lives

Answer 1

we can walk only with the help of friction. This is positive side of friction in our life.

But it reduces rhe speed of a moving object. That can ve considered as a negative aspect.

Answer 2

Friction applied in our everyday lives:- (positive)

1. We are able to walk because of friction .

2. Friction helps us to hammer nails in walls .

3. Friction enables us to hold objects.

4. Friction enables us to write.

5. A horse is able to pull its cart because of friction.

Friction applied in our everyday lives:- (Negative)

1. friction causes wear and tear of the surface. The tyres of car and even our shoes get 1 out due to friction.

2. friction also causes machines to make noise due to rubbing of the machine parts.

3. Friction causes wear and tear of machines. The friction between two surfaces changes their surface conditions or shapes. This is called wear and tear of a surface.