Question

extra questions for 9 class physics chapter force and laws of motion. best answer I will mark him or her branlliast​

Answer 1

I. name the two kinds of inertia.

2. two equal and opposite forces act on a stationary body. will the body move? give reason to your answer.

3. why does a person fall when he jumps out from a moving train?

4. when a corridor train suddenly starts the sliding doors of some compartments main open .give reason.

5. A ball is moving on a perfectly smooth horizontal surface. if no force is applied on it, will its speed decrease ,increase or remain unchanged?

6. "More the mass more difficult is to move the body from rest." explain this statement by giving an example.

7. it is advantages to run before taking a long jump give reason.

8. how does Newton's second law of motion differ from first law of motion?

9. how can Newton's first law of motion be obtained from the second law of motion?

10. why does a glass vessel break when it falls on a hard floor but it does not break when it falls on a carpet?

11. the acceleration produced in a body by a force of given magnitude depends on?

12. a light ball falling on ground after striking the ground rises upwards explain the reason.

13. when han you to step a shore from a stationary boat it tends to leave the shore explain the reason.

14. state the usefulness of Newton's third law of motion.

15. when two spring balances joined at their free ends are pulled apart ,both show the same reading explain.

Explanation:

here are some questions related to law's of motion.

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Answer 2

1. define force
2. how many type of force
3. define type of force balanced or unbalanced force
4. what is resultant force
5. Newton's law of motion first law of motion, second law of motion , third law of motion
6. define inertia , momentum , mass , vector quantity
7. define all the types of Newton law of motion
8. write all the formula from chapter force and law of motion