(A) When a body slides on rough surface, its momentum is not conserved.(B) When a ball falls from a height, momentum of earth ball system is conserved(C ) In case of explosion of flying bomb, momentum is conserved.

(A) When a body slides on rough surface, its momentum is not conserved

1.	(A) When a body slides on rough surface, its momentum is not conserved.(B) When a ball falls from a height, momentum of earth ball system is conserved(C ) In case of explosion of flying bomb, momentum is conserved.
Answer» A, B are TRUE A, B, C are true A, C are FALSE A is false ANSWER :A