EASY
8th CBSE
IMPORTANT
Earn 100

What is meant by ‘rolling friction’?

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
MEDIUM
8th CBSE
IMPORTANT
Why does a man slip when he steps on a banana peel thrown on the road?
EASY
8th CBSE
IMPORTANT
Car wheels often spin on icy roads. Explain why.
EASY
8th CBSE
IMPORTANT

Explain why a pencil will write on paper but not on the glass.

EASY
8th CBSE
IMPORTANT

Explain why it is very difficult to climbing a greasy pole?

EASY
8th CBSE
IMPORTANT
Why does a matchstick light when we strike it on a rough surface?
EASY
8th CBSE
IMPORTANT
Why is it difficult to light a matchstick by striking it on a smooth surface?
MEDIUM
8th CBSE
IMPORTANT
Which parts wear away first in shoes? Give a reason for your answer.