When a running car stops suddenly, the passengers tends to lean forward because of:
A). Centrifugal force
B). Inertia of rest
C). Inertia of motion
D). Gravitational force
A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to
A). Outward pull on him
B). Inertia of motion
C). Change in momentum
D). Change in acceleration
Rocket works on the principle of
A). Newton's Third Law
B). Newton's First Law
C). Newton's Second Law
D). Archimedes Principle
Which conservation principle is applicable in the case of the motion of a rocket?
A). Conservation of mass
B). Conservation of charge
C). Conservation of momentum
D). Conservation of energy
An object at rest may have
A). Momentum
B). Potential energy
C). Velocity
D). Kinetic energy