‘When a hanging carpet is beaten with stick, the dust particles start coming out of it’. This phenomenon can be best explained by making use of:

A. Newton’s third law of motion

B. Newton’s law of gravitation

C. Newton’s first law of motion

D. Newton’s second law of motion

When we talk of force acting on a body, it usually means:

A. Electrical force

B. Balanced force

C. Unbalanced force

D. Nuclear force

A passenger in a moving train tosses a coin which falls behind him. This shows that the motion of train is:

A. Accelerated B. Uniform

C. Retarded D. along circular track

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