Q2 of 100 Page 230

Why does a fast car slow down if its engine is switched off?

When the engine of a car is switched off, then there is no energy available for the engine to oppose the frictional forces. Thus, the engine slows down and eventually comes to rest.


More from this chapter

All 100 →
1

Name the force which always opposes motion.

 3

Which type of surfaces produce

(a) least friction, and


(b) too much friction?

 4

What is the direction of force of friction acting on a moving object ?

 5

Name a device which is used to measure force acting on an object.