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A passenger sitting in a car at rest, pu...

A passenger sitting in a car at rest, pushes the car from within. The car doesn't move, why?

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For motion, there should be external force.
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FULL MARKS-LAW OF MOTION -ADDITIONAL QUESTIONS SOLVED (SHORT ANSWER QUESTIONS)
  1. A passenger sitting in a car at rest, pushes the car from within. The ...

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  2. Give the magnitude and directions of the net force acting on a rain dr...

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  3. Why the passengers in a moving car are thrown outwards when it suddenl...

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  4. You accelerate your car forward. What is the direction of the friction...

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  5. What is the purpose of using shockers in a car?

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  6. Why are tyres made of rubber not of steel?

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  7. Wheels are made circular. Why?

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  8. If a ball is thrown up in a moving train, it comes back to the thrower...

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  9. Calculate the force acting on a body which changes the momentum of the...

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  10. On a rainy day skidding takes place along a curved path. Why?

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  11. Why does a gun recoils when a bullet is being fired?

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  12. Why is it difficult to catch a cricket ball than a tennis ball even wh...

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  13. The distance travelled by a moving body is directly proportional to ti...

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  14. Calculate the impulse necessary to stop a 1500 kg car moving at a spee...

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  15. Lubricants are used between the two parts of a machine. Why?

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  16. What provides the centripetal force to a car taking a turn on a level ...

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  17. A body is acted upon by a number of external forces can it remain at r...

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  18. Bodies of larger mass need greater effort to put them in motion. W...

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  19. An athlete runs a certain distance before taking a long jump . Why ?

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

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