Question

why friction is necessary? explain with 5 examples

Answer 1

Here is your answers:
Friction- Friction is a type of contact force between two surfaces which opposes it's relative motion.
It is very necessary . This was because it is used in many places.For example,
1} Friction helps us to walk on ground. Hence if there is no Friction , we could not walk on the ground.
2} Applying brakes in vehicle also shows the importance of Friction.Therefore, without Friction we can't stop a moving vehicle.
3} Writing on blackboard is also an application of Friction .This Friction is very necessary to write in blackboard.
4} Hammering a nail on wall could not be possible if there is no Friction.
5} In winters, Friction helps us to generate heat by simply rubbing our hands which makes us feel warm.
So , we can say that Friction is very necessary for us.
Hope you like it.
Mark it as the brainlliest answer.