Engineering Mechanics
The centre of gravity of a uniform lamina lies at

The centre of heavy portion
All of these
The midpoint of its axis
The bottom surface

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called

Principle of conservation of energy
Newton's second law of motion
Newton's first law of motion
Principle of conservation of momentum

ANSWER DOWNLOAD EXAMIANS APP