Question

Is friction a necessary evil? Justify .​

Answer 1

AnSwEr

$\sf\red\:Friction$

it is type of force which found between the two surfaces

• It is vector quantity

There are four type of friction

1. Static friction
2. Sliding friction
3. Rolling friction
4. Fluid friction

• Friction work in everything
• like movement
• we write by friction by our ball pen.

Friction produces these things.

.

1. Heat
2. Balance of anything
3. tore things

Answer 2

Answer: yes

Explanation:

Friction is said to be a necessary evil because it is useful as well as harmful. friction helps us to walk, write, hold things, lift objects. So it is necessary in our lives. Without friction many essential processes can be done