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A: During collision between two objects, themomentum of colliding objects is conservedonly in direction perpendicular to line ofimpact.R The force on colliding objects in directionperpendicular to line of impact is zero. |
| Answer» A: During collision between two objects, themomentum of colliding objects is conservedonly in direction perpendicular to line ofimpact.R The force on colliding objects in directionperpendicular to line of impact is zero. | |