The inertia of a moving object depends on:

A. Momentum of the object

B. Speed of the object

C. Mass of the object

D. Shape of the object

A water tanker filled up to two-thirds of its tank with water is running with a uniform speed. When the brakes are suddenly applied, the water in its tank would:

A. Move backward

B. Move forward

C. Rise upwards

D. Remain unaffected

If we release a magnet held in out hand, it falls to the ground. The force which makes the magnet fall down is an example of:

A. Balanced force

B. Unbalanced force

C. Magnetic force

D. Muscular force

When a rubber balloon held between the hands is pressed, its shape changes. This happens because:

A. Balanced forces act on the balloon

B. Unbalanced forces act on the balloon

C. Frictional forces act on the balloon

D. Gravitational forces act on the balloon

Which of the following effect cannot be produced by unbalanced force acting on a body?

A. Change in speed of the body

B. Change in shape of the body

C. Change in direction of motion of the body

D. Change in state of rest of the body