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When the speed of a car moving with acce...

When the speed of a car moving with accelerated motion on a horizontal surface becomes four times than at the starting, then what is the change in its potential energy?

A

Would not change

B

Would be doubled

C

Would be four times

D

Would be sixteen times

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The correct Answer is:
A
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (CHOOSE THE CORRECT OPTION FROM THOSE GIVEN BELOW EACH QUESTION)
  1. The kinetic energy of the object

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  2. An object of mass 100g moves with speed 1ms^(-1). Its kinetic energy w...

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  3. When the speed of a car moving with accelerated motion on a horizontal...

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  4. A bullet of mass 20g fired from a rifle is found to cover the distance...

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  5. A body is thrown up with a kinetic energy of 10 J. If it attains maxim...

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  6. If an object is falling freely from certain height towards the surface...

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  7. The work done on the object is negative, then the measure of angle bet...

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  8. The diameter of an iron sphere of mass 10 kg is same as that of alumin...

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  9. A girl is carrying a school bag of 3 kg mass on her back and moves 200...

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  10. Which of the following is not the unit of energy?

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  11. Work done on an object is not dependent on ………..

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  12. Water stored in the dam ………..

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  13. A body is falling freely from a height h. When it covers distance (h)/...

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  14. A boy lifts a mass of 300g for 1.2 second at height of 4m. What would ...

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  15. ("1 megawatt (MW)")/("1 kilowatt (kW)")=…………..

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  16. What is necessary for work to be done? Choose the correct statement....

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  17. A body of mass 10kg performs motion along a circle of radius 5m with s...

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  18. Which one among kinetic energy, potential energy and mechanical energy...

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  19. Work done on a body is equal to change in its………….

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  20. Mass of a man is 60kg. He climbs up 20m height with a bucket having wa...

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