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Class 11 Physics: Laws of Motion
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MCQs on motion basic laws, newtons first, second and third laws, momentum conservation, particle equilibrium, non-uniform circular motion, mechanics common forces and problems.

Class 11 Physics: Laws of Motion
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25 Questions

1. A ball is moving with a constant velocity. After some time, it collides with a wall. Which one of the following remains conserved except momentum?
2. A batsman hits a ball with a force a 5 N. What force does the bat experience?
3. If the force acting on a body is 10 N, and the acceleration is 4 m/s2, what can be the mass of the body?
4. The radius of a body moving in a circle with constant angular velocity is given by r = 4t2, with respect to time. What is the magnitude of the tangential velocity at t = 2s, if the angular velocity is 7 rad/s?
5. If a body returns to its original state of equilibrium after giving it a small displacement, the equilibrium is known as ______
6. When a body collides with a wall or the ground, what assumption do we make?
7. When we walk on a boat in still water, the boat will ______
8. A man and a kid accidentally hit each other. What is true about the forces experienced by them?
9. Inertia is _____
10. The first condition of equilibrium of a body is ___
11. Which of the following laws of motion is related to inertia?
12. What is the plural of the word 'momentum'?
13. A ball tied at the end of a perfect string tied tightly (assume fixed) to a wooden bar at the other end is rotating with constant angular velocity. Its tangential velocity will _______
14. Which of the following is a suitable word to describe the motion of a rotating ball tied to rope tied tightly to a fixed support?
15. The forces involved in Newton's third law act ____
16. The second law of motion, in mathematical form can be written as ____
17. A truck with a mass of 2500 Kg travelling with an acceleration of 5 m/s2 hits a scooter. What force does the truck experience?
18. A box of mass 10 Kg, moves in circular motion with the mass function as m = 7t. The function for the radius is r = 2t2. By what factor does the centripetal force exceed the square of the tangential velocity at t = 2 s?
19. An example of variable mass system is _____
20. Why do we not experience any leaning when a train takes a turn?
21. A straight moving bus takes a sharp right turn. What will happen to the passengers sitting inside the bus?
22. What causes the motion of a body which is initially in the state of rest?
23. People sitting in a moving bus experience a jerk when the bus stops. This is due to _____
24. A set of forces are acting on a body in equilibrium. Which one of the following is true?
25. Two forces act on a body. One of them is 7î – 13ĵ. What is the value of the other force?

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