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# Physics Laws of Motion Test 1 Online MCQs

 Test Name Physics Laws of Motion MCQs Test Subject Physics Test Type MCQs Total Question 15 Total Marks 30 Total Time 15 Mints Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs Test prep. Engineering Test prep. B Tech and BDS Prep.

Get physics Laws of Motion test to increase your information and improve your physic subject. Law of Motion is so important for the written exams of the physics. Attempt all the Physics Laws of Motion Test Online MCQs below.

## Physics

1. A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of 80 m/s. The total energy imparted to the two fragments is:

Question 1 of 15

2. The rocket engine lift a rocket from the earth, because hot gases:

Question 2 of 15

3. A 1kg particle strikes a wall with a velocity 1m/s at an angle 30° and reflects at the same wall in 0.1 second then the force will be:

Question 3 of 15

4. A molecule of mass m of an ideal gas collides with the wall of the vessel with the velocity v and returns back with the same velocity. The change in the linear momentum of the molecule will be:

Question 4 of 15

5. When a horse pulls a wagon, the force that causes the horse to move forward is the force

Question 5 of 15

6. A gun fires a bullet of mass 50 g with a velocity of 30 m/s. Due to this, the gun is pushed back with a velocity of 1 m/s, then the mass of the gun is:

Question 6 of 15

7. A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates friction. When parachute opens, it decelerates at 2 m/s². He reaches the ground with a speed of 3 m/s. At what height, did he bail out?

Question 7 of 15

8. In the given figure the position-time graph of a particle of mass 0.1 kg is shown. The impulse at t = 2 sec is: Question 8 of 15

9. A gardener holds a hosepipe through which water is gushing out at a rate of 4kg s⁻¹ with speed 2ms⁻¹. The moment the speed of water is increased to 3 ms⁻¹, the gardener will experience a jerk of

Question 9 of 15

10. If the force on a rocket, moving with a velocity 500 m/s is 400 N, then the rate of combustion of the fuel will be:

Question 10 of 15

11. A 150 g tennis ball coming at a speed of 40 m/s is hit straight back by a bat to a speed of 60 m/s. The magnitude of the average force F on the ball, When it is in contact for 5 ms, is:

Question 11 of 15

12. When the two surfaces are coated with the lubricant, then they will:

Question 12 of 15

13. A man of mass 60 kg records his wt. on a weighing machine placed inside a lift. The ratio of wts, of man recorded when lift ascending up with a uniform speed of 2 m/s to when it is descending down with a uniform speed of 4 m/s will be

Question 13 of 15

14. The velocity of a bullet is reduced from 200 m/s to 100 m/s while travelling through a wooden block of thickness 10 cm. Assuming it to be uniform, the retardation will be:

Question 14 of 15

15. A person is standing in an elevator. In which situation he finds his weight less?

Question 15 of 15

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