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A long jumper runs before jumping becaus...

A long jumper runs before jumping because he

A

he covers a greaer distance

B

he maintains momentum conservation

C

he gains energy by running

D

he gains momentum

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-LAWS OF MOTION, FRICTION AND ARCHIMEDES' PRINCIPLE-HIGHER ORDER THINKING QUESTIONS
  1. A long jumper runs before jumping because he

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  2. A car travelling at a speed of 30 km/hour is brought to a halt in 8 m ...

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  3. A body of mass 1 kg moving on a horizontal surface with an initial vel...

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  4. The average force necessary to stop a hammer with 50 NS momentum in 0....

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  5. Two trains A and B are running in the same direction on the parallel r...

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  6. A body of mass 10 kg is acted upon by a net force F which varies with...

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  7. A machine gun has a mass 4 kg. It fires 50 gram bullets at the rate of...

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  8. A truck is loaded with 10^(3) kg of iron and another identical truck i...

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  9. A particle of mass M strikes a wall at an angle of incidence 60^(@) wi...

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  10. The ratio of SI to cgs units of force is

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  11. A metal ball and a rubber ball , both having the same mass , strike a ...

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  12. A man of weight mg is moving up in a rocket with acceleration 4 g . Th...

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  13. A thief stole a box full of valuable articles of weight W and while ca...

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  14. A bullet of mass m is fired at angle theta with the vertical. The bull...

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  15. A ballon has 2 g of air . A small hole is pierced into it . The air c...

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  16. A body of mass 2kg collides with a wall with speed 100 m/s and reboun...

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  17. In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s . Th...

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  18. Action and reaction

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  19. A body is in translatory equilibium if:

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  20. If the tension in the cable supporting an elevator is equal to the wei...

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  21. A scooter of mass 150 kg is moving with a uniform velocity of 108 km/h...

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