Engineering Mechanics
In order to determine the effects of a force, acting on a body, we must know

Magnitude of the force
Nature of the force i.e. whether the force is push or pull
Line of action of the force
All of these

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Both the balls undergo an equal change in momentum
The change in momentum suffered by rubber ball is more than the lead ball
The change in momentum suffered by rubber ball is less than the lead ball
None of these

ANSWER DOWNLOAD EXAMIANS APP