Subject :Physics Class : Class 8
A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may
A spread a carpet on the wooden surface.
B cover the ball with a piece of cloth.
C sprinkle talcum powder on the wooden surface.
D sprinkle sand on the wooden surface.
Ans 1:
Class : >Class 8
20
Ans 2:
Class : >Class 8
20