Force and laws of motion

Force and laws of motion Worksheet-1

1. ....................is a measure of the inertia of a body.

2. When a running car stops suddenly, the passengers are jerked............

3. When a stationary car starts suddenly, the passengers are jerked..............

4. Newton's first law of motion is also called Galileo's law of.....................

5. If there were no unbalanced force of...............and no..............resistance, a moving bicycle would go on moving for ever.

6. To every action, there is an ................... and ..................... reaction

Force and laws of motion Worksheet-2

1. What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2 m/s ?

A. 75 kg.m/s                                  B. 150 kg.m/s

C. 100 kg.m/s                               D. 300 kg.m/s

2. When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :

A. Balanced forces                       B. Centripetal forces

Force and laws of motion Worksheet-3

11. Which of the following effect cannot be produced by an 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 is state of rest of the body

12. What force would be needed to produce an acceleration of 4 m/s² in a ball of mass 6 kg ?

A. 24 newtons                               B. 24 kg