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What is a force? Explain with the help o...

What is a force? Explain with the help of some examples.

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MBD -HARYANA BOARD-FORCE AND LAWS OF MOTION-Example
  1. A hammer of mass 500g, moving at 50m//s, strikes a nail. The nail stop...

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  2. A hammer of mass 500g, moving at 50m//s, strikes a nail. The nail stop...

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  3. What is a force? Explain with the help of some examples.

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  4. State and explain Newton's first law of motion.

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  5. What are emulsions ? What are their different types ? Give an example ...

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

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  7. Newton's Second Law OF Motion

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  8. State and explain Newton's third law of motion. How will you prove it ...

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  9. What is meant by the Law of Conservation of Momentum ? Deduce this law...

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  10. What is force ? Give its units.

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  11. Why does the horse rider falls falls forward when a horse at full gall...

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  12. When a horse suddenly gallops, the rider falls backward. Why ?

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  13. Why does a passenger fall forward when he alights from the moving bus ...

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  14. Define momentum of a body.

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  15. A fast moving bullet when hits the window pane makes a round hole whil...

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  16. Explain how a dirty blanket becomes dust free if it is jerked once or ...

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  17. Why a fan continues to rotate for sometime even after it is switched o...

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  18. Why does a gun recoil When a bullet is fired ?

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  19. A cricket player lowers his hands while catching a ball . Why ?

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  20. What is a balanced and unbalanced force?

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