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NDA GK Previous Papers Chapterwise MCQs - Mechanics
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NDA GK Previous Papers Chapterwise MCQs - Mechanics
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25 Questions

1. If the ratio of the weight of a man in a stationary lift and when it is moving downwards with uniform acceleration 'a' is 3 : 2, then the value of 'a' is
2. Whether an object will float or sink in a liquid, depends on
3. For a particle revolving in a circular path, the acceleration of the particle is
4. For a simple pendulum in simple harmonic motion, which of the following statements is/are correct?
1. The kinetic energy is maximum at the mean position.
2. The potential energy is maximum at the mean position.
3. Acceleration is maximum at the mean position. Select the correct answer using the code given below:Code:
5. What would be the power of an engine which supplies 18 kJ of energy per minute?
6.
A particle is moving in a circular path of radius r at a constant speed v. Which one of the following graphs correctly represents its acceleration a?
7. A body weighs 5 kg on equator. At the poles it is likely to weigh
8. Two teams are pulling a rope with equal and opposite forces each of 5 kN in a tug of war so that a condition of equilibrium exists. What will be the tensile force in the rope?
9. If the length of the Equator is about 40000 km and the velocity of rotation is about 1700 km per hour, what would be the velocity of rotation at the Pole?
10. It is impossible for two oscillators, each executing simple harmonic motion, to remain in phase with each other if they have different
11. A jet engine works on the principle of conservation of
12. The correct sequence of energy transfer that occurs when an apple falls to the ground is
13. Which one of the following is not a result of surface tension?
14. Which one of the following statements about the mass of a body is correct?
15. An object is undergoing a non-accelerated motion. Its rate of change of momentum is
16. The weight of a body is 9.8 N at the place where g = 9.8 ms–2. Its mass is
17. Two bodies A and B are moving with equal velocities. The mass of B is double that of A. In this context, which one of the following statements is correct?
18. One feels heavier in a lift when the lift
19. Which one of the following remains constant while throwing a ball upward ?
20. Which one of the following graphs represents motion?
21. Which one of the following statements about energy is correct?
22. Consider the following statements:
1. The gravitational force exerted by the sun on the moon is greater than the gravitational force exerted by the earth on the moon.
2. A heavy body falls at a faster rate than a light body in vaccum. Which of the following statements given above is/are correct ?
23. A long jumper runs before jumping because he
24. A man is at rest in the middle of a horizontal plane of perfectly smooth surface of ice. He can move himself to the shore by making use of Newton's
25. When a moving bus suddenly applies brakes, the passengers sitting in it fall in the forward direction. This can be explained by

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