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The time rate of doing work is called po...

The time rate of doing work is called power. 1 megawatt (MW) power means `10^(6)` watt (W) power.

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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE)
  1. An force 10 N, then its kinetic energy would be zero at maximum height...

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  2. 1 unit electrical energy means 1000 joule electrical energy.

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  3. The time rate of doing work is called power. 1 megawatt (MW) power mea...

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  4. 1 megawatt (MW) power means 10^(6) watt (W) power.

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  5. Both power and energy are scalar quantities.

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  6. If work is done by an object, its energy decreases.

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  7. The difference between potential energy and kinetic energy is called m...

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  8. Work is the product of power and time.

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  9. Ability of an object to do work is called energy of that object.

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  10. The unit of work and energy is the same.

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  11. The potential energy of an object is a relative concept.

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  12. Power = Work xx Time taken to do the work.

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  13. An force 10 N, then its kinetic energy would be zero at maximum height...

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  14. 1 unit electrical energy means 1000 joule electrical energy.

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  15. The time rate of doing work is called power. 1 megawatt (MW) power mea...

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  16. 1 megawatt (MW) power means 10^(6) watt (W) power.

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  17. Both power and energy are scalar quantities.

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  18. If mechanical work done on the body then kinetic energy increases or d...

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  19. The difference between potential energy and kinetic energy is called m...

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  20. Work is the product of power and time.

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