(A) S
(B) 1/S2
(C) 1/S
(D) S2
The rotational analogue of force in linear motion is?
(A) Torque
(B) Moment of Inertia
(C) Angular momentum
(D) Weight
A hole is drilled through the earth along a diameter and a stone dropped into it. When the stone is at the center of the earth it has?
(A) Potential energy
(B) Mass
(C) Weight
(D) Acceleration
In order to cause a moving body to pursue a circular path, it is necessary to apply?
(A) Centrifugal force
(B) Centripetal force
(C) Gravitational force
(D) Internal force
A body in equilibrium may not have?
(A) Acceleration
(B) Kinetic energy
(C) Velocity
(D) Momentum
A force of 3 N acts perpendicularly to a force of 4 N, their resultant has a magnitude of?
(A) 3 N
(B) 4 N
(C) 5 N
(D) 10 N
Minimum number of unequal forces whose vector sum can equal zero is?
(A) 1
(B) 2
(C) 3
(D) 4
When a horse pulls a wagon the force that cause the horse to move forward is the force?
(A) He exert on the ground
(B) The wagon exert on him
(C) The ground exert on him
(D) He exert on the wagon