Question

Why is friction essential in some parts of a car ?

Answer 1

friction is essential in brakes of car which is very important

Answer 2

the friction is most important part of our life and in the some part of the cars it is the essential and the most most most important roll in the car example if there will be a no break in the car then the all cars never stops and became collide to each other enhance for the break there the frictions plays the important role