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Explain how a dirty blanket becomes dust...

Explain how a dirty blanket becomes dust free if it is jerked once or twice ?

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MBD -HARYANA BOARD-FORCE AND LAWS OF MOTION-Example
  1. Define momentum of a body.

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

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

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

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

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

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  7. What is a balanced and unbalanced force?

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  8. Find the acceleration produced by a force of 5 N acting on a mass of 1...

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  9. How much force will be required to produce an acceleration of 4 ms ^(-...

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  10. A bullet of mass m moving with velocity v strikes a block of mass M at...

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  11. A motor car is moving with a velocity of 108 km//h and it takes 4 seco...

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  12. Which would requires a greater force: accelerating a 2kg mass at 5m//s...

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  13. A bullet of mass 50g is fired from a gun of mass 6kg with a velocity o...

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  14. From a rifle of mass 5000 g a bullet of 20 g is fired with a velocity ...

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  15. To bring a body into motion, what is required to be done ?

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  16. Why does an object released from the hand , fall on the earth ?

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  17. Which type of force is required to change the direction of motion of t...

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  18. Why does a body stop after rolling down for some time ?

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  19. Which scientist postulated the three laws of motion ?

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  20. What is the other name for Newton's first law of motion?

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