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According to the third law of motion , a...

According to the third law of motion , action and reaction

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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
  1. An object of mass 2kg is sliding with a constant velocity of 4ms^(-1) ...

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  2. The physical quantity which makes it easier to accelerate a small car ...

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  3. According to the third law of motion , action and reaction

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  4. The unit of measuring momentum of a moving body is :

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  5. A boy of mass 50 kg standing on ground exerts a force of 500 N on the ...

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  6. A Honda city car, a Maruti Alto car, a Tata Nano car and a Mahindra Sc...

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  7. The acceleration produced by a force of 5 N acting on a mass of 20 kg ...

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  8. Which of the following situations involves the Newton's second law of...

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  9. To catch a fast cricket ball, a player pulls his hands backwards. Why ...

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  10. Why are car seat-belts designed to stretch somewhat in a collision ?

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  11. The troops (soldiers) equipped to be dropped by parachutes from an air...

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  12. Why would an aircraft be unable to fly on the moon ?

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  13. Explain why it is possible for a small animal to fall from a considera...

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  14. A boy of mass 50 kg running at 5 m/s jumps on to a 20 kg trolley trave...

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  15. A girl of mass 50 kg jumps out of a rowing boat of mass 300 kg on to t...

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  16. A truck of mass 500 kg moving at 4 m/s collides with another truck of ...

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  17. A ball X of mass 1 kg travellingg at 2 m/s has a head-on collision wit...

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  18. A heavy car A of mass 2000 kg travelling at 10 m/s has a head-on colli...

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  19. A man wearing a bullet-proof vest stands still on roller skates. The t...

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  20. Which of the following has more inertia ? (a) a rubber ball and a st...

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