Theory of Machine A body is said to be under forced vibrations, when

None of these
No external force acts on a body, after giving it an initial displacement
A body vibrates under the influence of external force
There is a reduction in amplitude after every cycle of vibration

Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

None of these
Completely constrained motion
Successfully constrained motion
Incompletely constrained motion

G².I₂
G.I₂
I₂/G
I₂/G²

Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Vertically and perpendicular
Horizontally and parallel
Vertically and parallel
Horizontally and perpendicular

Theory of Machine Klein's construction can be used when

Crank has uniform angular velocity and angular acceleration
Crank has non-uniform velocity
Crank has uniform angular acceleration
Crank has a uniform angular velocity

(S₁ - S₂) / 2h
(S₁ + S₂) / 2h
(S₁ - S₂) / h
(S₁ + S₂) / h