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Name the principle on which a rocket wor...

Name the principle on which a rocket works.

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MODERN PUBLICATION-FORCE AND LAWS OF MOTION-EXAMPLE
  1. What is the relation between force and acceleration?

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  2. An object is trhown vertically upwords. What is its momentum at the hi...

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  3. Name the principle on which a rocket works.

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  4. If someone jumps to the shore from a boat, the boat moves in opposite ...

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  5. A passenger in a moving car slips to one side of the seat when the car...

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  6. When a bullet is fired, it exerts an equal and opposite force on the g...

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  7. why are wheels of vehicles provided with mudgurads?

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  8. When two bodies X and Y collide with each other, X exerts a force of 5...

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  9. Define one unit of force.

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  10. Action and reaction forces do not balance each other. Why?

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  11. Cars are provided with seat belts. Give reason.

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  12. A ball of mass 100 g moving with a velocity of 10ms^-1 is stopped by a...

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  13. A body of mass 'm' is moving with velocity u. When a force is apllied ...

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  14. A body of mass 'm' is moving with velocity u. When a force is apllied ...

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  15. A body of mass 'm' is moving with velocity u. When a force is apllied ...

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  16. Total momentum of two bodies remains unchanged before and after the co...

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  17. A constant force acts on object of mass 5 kg for a duration of 2s It i...

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  18. During arm wrestling, participants put arms on the table, and wrestle ...

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  19. During arm wrestling, participants put arms on the table, and wrestle ...

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  20. A body is left from the point A and allowed to ovig along the path ABC...

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