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A piece of cork isfloating on water. Wha...

A piece of cork isfloating on water. What is the net force acting on it ?

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SL ARORA-Laws of Motion-Exercise
  1. Name the scientist who gave the laws of motion.

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  2. state Newton's first law of motion. Hence define forece and inertia.

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  3. A piece of cork isfloating on water. What is the net force acting on i...

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  4. Explain Newton s laws of motion and show that (i) Newton s first law o...

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  5. Which law of motion gives the measure of force ?

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  6. Name the scientist who first introduced the concept of momentum.

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  7. What are the SI and CGS units of momentum ?

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  8. State Newton’s second law of motion. How does it help to measure force...

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  9. What is one Newton force?

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  10. Define one dyne.

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  11. Convert 1 newton (SI unit of force) into dyne (CGS unit of force)

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  12. State secound law of motion and show that second law is the real law o...

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  13. Write the second law of motion in vector form.

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  14. Show that if the force acting on a particle is zero , its momentum wil...

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  15. The two ends of a spring - balance are pulled each by a force of 10 kg...

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  16. A person is standing on a weighing machine placed near a door. What wo...

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  17. A person is standing on a weighing machine placed near a door. What wo...

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  18. What are the conditions for maximum and minimum pull of a lift on a su...

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  19. A lift is going up with an acceleration 2 g. A man is inside the lift ...

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  20. On which principle is rocket propulsion based?

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