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

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

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

A plastic ball and a clay ball of equal masses, travelling in the same direction with equal speeds, strike against a vertical wall. From which ball does the wall receive a greater amount of momentum?

A moving bicycle comes to rest after sometimes if we stop pedaling it. But Newton’s first law of motion says that a moving body should continue to move forever, unless some external force acts on it. How do you explain the bicycle case?