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A boy puts a heavy box of mass M of his ...

A boy puts a heavy box of mass M of his head and jumps down from the top of a multistoried building to the ground. How much is the force exerted by the box on hishead during his free fall? Does the for greatly increase during the period he balances himself after striking teh ground?

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HC VERMA-NEWTON'S LAWS OF MOTION-Questions for short Answer
  1. If the tension in the cable supporting an elevator is equal to the wei...

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  2. A boy puts a heavy box of mass M of his head and jumps down from the t...

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  3. A person drops a coin. Describe the path of the coin as seen by the pe...

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  4. Is it possible for a particle to describe a curved path if no force ac...

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  5. You are riding in a car.The driver suddenly applies the brakes and you...

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  6. It is sometimes heard that inertial frame of reference is only an idea...

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  7. An object is placed 40 cm from a concave mirror of focal length 20 cm,...

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  8. Figure shows a light spring balance connected to two blocks of mass 20...

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  9. The acceleration of a particle is zero as measured from an inertial fr...

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  10. Suppose you are running fast in a field when you suddenly find a snake...

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  11. An ant is moving on the surface of a ball. Does it’s velocity change ...

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  12. According to Newton's third law each team pulls the opposite team with...

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  13. If x = a cos t is the displacement in time t then, acceleration is :

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  14. Consider a book lying on a table. The weight of the book and the nroma...

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  15. Two blocks of unequal masses are tied by a spring. The blocks are pul...

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  16. When a train starts, the head of a standing passenger seems to be push...

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  17. A plumb bob is hung from the ceiling of a train compartment. If the tr...

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