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A satellite revolves around a planet in a circular orbit. What is the work done by the satellite at any instant ? Give a reason.

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reason:Force of gravity on the satellite is normal to its displacement.
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ICSE- WORK ENERGY AND POWER-EXERCISE-2(A)
  1. A body is moved in a direction opposite to the direction of force acti...

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  2. When a body moves in a circular path ,how much work is done body?Give ...

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  3. A satellite revolves around a planet in a circular orbit. What is the ...

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  4. State whether work is done or not ,by writing yes or no,in following c...

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  5. A coolie X carrying a load on his head climbs up a slope and another c...

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  6. The work done by a fielder when he takes a catch in a cricket match is...

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  7. Give an example when work done by the force of gravity acting on a bo...

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  8. What are the S.I. and C.G.S units of work? How are they related ? Esta...

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  9. State and define the S.I. unit of work.

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  10. Express joule in terms of erg

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  11. A body of mass m falls down through a height h. Obtain an expression f...

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  12. A boy of mass m climbs up the stairs of vertical height h. (a) What is...

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  13. Define the term energy and state its S.I. unit

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  14. What physical quantity does the electron volt (eV) measure? How is it ...

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  15. Complete the following sentences : (a) 1J= …………ealorie . (b) 1 kWh …...

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  16. Name the physical quantity which is measured in calorie.How is it rela...

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  17. Define kilowatt hour.How is it reltated to joule?

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  18. State two factors on which power spent by a source depends.Explain you...

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  19. Differentiate between work and power.

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  20. Differentiate between energy and power

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