MCQ Questions for Class 9 Science Chapter 9 Force and Laws of Motion with Answers

1. A man is standing on a boat in still water. If he walks towards the shore, then the boat will

2. Which of the following is not an application of conservation of linear momentum?

3. A ball is thrown vertically upward in a train moving with uniform velocity. The ball will

4. When a car at high speed makes a sharp turn, the driver in a car tends to get thrown to the side opposite to the turn. This is due to the

5. An object of mass 2 kg is sliding with a constant velocity of 4 ms^-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

6. When a number of forces acting simultaneously on a body bring about a change in its state of rest or of uniform motion in a straight line, then these forces acting on the body are said to be

7. A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is

8. Which of the following is not an application of conservation of linear momentum?

9. According to the third law of motion, action and reaction

10. Which of the following statements is not correct for an object moving along a straight path in an accelerated motion?

11. A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to

12. Which of the following is an incorrect statement?

13. The inertia of an object tends to cause the object

14. If the mass of a body is doubled and its velocity becomes half, then the linear momentum of the body will

15. A water tanker filled up to 2/3 of its height is moving with a uniform speed. On a sudden application of brakes, the water in the tank would

16. Rocket works on the principle of conservation of