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Define momentum of a body....

Define momentum of a body.

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The momentum of a body is the product of mass of the body and velocity of the body.
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The momentum of a body

Linear momentum of a body is defined as….. .

When the momentum of a body a doubled, the kinetic energy is

State the relation between the momentum of a body and the force acting on it.

Regarding linear momentum of a body (a) It is a measure of quantity of motion contained by the body (b) Change in momentum is the measure of impulse (c ) Impulse and acceleration act in opposite direction to the change im momentum (d) In the case of uniform circular motion the linear momentum is conserved .

The linear momentum of a body can change only in the direction of applied force Comment .

PRADEEP-FORCES AND LAWS OF MOTION-SHORT ANSWER QUESTIONS
  1. Why does a person in a bus tends to fall forward when it stops suddenl...

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  2. What happens to a person travelling in a bus when the bus takes a shar...

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  3. Define momentum of a body.

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  4. It is easier to stop a tennis balll than a cricket ball moving with th...

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  5. Why are road accidents at high speeds very much worse than accidents a...

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  6. Calculate momentum of a toy car of mass 300g moving with a speed of 18...

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  7. A body of mass 30kg has a momentum of 150kg m//s. What is the velocity...

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  8. A ball is thrown vertically upwards. What is its momentum at the highe...

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  9. What is one Newton force?

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  10. What acceleration is produced by a force of 5N acting on a body of mas...

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  11. An unloaded truck weighing 2000kg has a maximum acceleration of 0.4 m/...

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  12. Why is it difficult to walk on a slippery road?

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  13. Why does a gunman get a jerk on a firing a bullet?

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  14. State the law of conservation of liner momentum.

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  15. Name any two applications of the law of conservation of liner momentum...

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  16. It is easier to push an empty box than to push the box full of books.W...

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  17. When a car rounds a curve suddenly, the person inside is pushed outwar...

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  18. A bullet thrown with a hand can be stopped eaisly, but it may kill a p...

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  19. Show that kg-ms^(-1) and N-s represent the same quantity. Which is tha...

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  20. No force is required to move a body uniformly along a straight line. C...

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