Engineering Mechanics
Which of the following statement is correct in connection with projectiles?

All of these
The velocity, with which a projectile is projected, is known as the velocity of projection.
The angle, with the horizontal, at which a projectile is projected, is known as angle of projection.
A path, traced by a projectile in the space, is known as trajectory.

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

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

ANSWER DOWNLOAD EXAMIANS APP