MCQ Impulse and Newton’s Third Law, Class 11 Physics

Advertisement

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. A force which acts for a small time and also varies with time is called:

Question 1 of 20

2. If two ends of a spring balance are pulled by a force of 10N, then the reading of the spring balance will be

Question 2 of 20

3. Action and reaction do not cancel each other out because

Question 3 of 20

4. The force exerted by the floor of an elevator on the foot of a person is _______ the weight of the person if the elevator is going up and speeding up.

Question 4 of 20

5. A man weighs 70 kg. He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5ms2.What would be the reading on the scale? (g=10 ms2)

Question 5 of 20

6. A ball of mass 150 g moving at 10 ms-1 is stopped by a force which acts on it for 0.1 s, then the impulsive force is

Question 6 of 20

7. An average force of 100N acts on a body for 1s. What is the impulse due to the force?

Question 7 of 20

8. A ball weighing 0.01kg hits a hard surface vertically with a speed of 5m/s and rebounds with the same speed. The ball remains in contact with the surface for 0.01s. The average force exerted by the surface on the ball is

Question 8 of 20

9. The principle of working of a rocket is based on

Question 9 of 20

10. A bus can accelerate on a horizontal road due the force exerted by

Question 10 of 20

11. The product of forceand the duration of time for which it acts on a body is equal to the

Question 11 of 20

12. A block is placed on the table. What is the angle between the action of the block on the table and reaction of the table on the block?

Question 12 of 20

13. The SI unit of impulse is

Question 13 of 20

14. From the magnitude of impulse, it is possible to find the change in linear momentum because

Question 14 of 20

15. A boy kicked a stone and got hurt. Which property of stone is responsible?

Question 15 of 20

16. A man in the lift weighs more, when the lift

Question 16 of 20

17. A machine gun has a mass of 20 kg fires 35 g bullets at the rate of 400 bullets per second with a speed of 400ms-1 .What force must be applied to the gun to keep in the position?

Question 17 of 20

18. Which law says that every force is accompanied by an equal and opposite force?

Question 18 of 20

19. A bomb of mass 16kg at rest, explodes into two pieces of masses 4kg and 12kg. After explosion, the velocity of the 12kg mass is 4m/s. What is the velocity of the 4kg piece?

Question 19 of 20

20. The dimensional formula for impulse is

21

Question 20 of 20

Leave a Reply

Your email address will not be published. Required fields are marked *

Advertisement