Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Original velocity in the same direction
Original velocity in the opposite direction
Half the original velocity in the opposite direction
Half the original velocity in the same direction

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

Its shorter side
The diagonal of the parallelogram which does not pass through the point of intersection of the forces
Its longer side
The diagonal of the parallelogram which passes through the point of intersection of the forces

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
The force acting on a point on the surface of a rigid body may be considered to act

At any point on the surface normal to the line of action of the force
At the centre of gravity of the body
On any point on the line of action of the force
On the periphery of the body

ANSWER DOWNLOAD EXAMIANS APP