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When a satellite is orbitting round a pl...

When a satellite is orbitting round a planet in circular orbit, workdone by the gravitational force acting on the satellite is

A

zero on completing one revolution only

B

zero always

C

infinite

D

negative

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-GRAVITATION-Exercise-I
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  2. There is no atmosphere on moon because

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  3. When a satellite is orbitting round a planet in circular orbit, workdo...

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  4. A satellite in vacuum

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  5. Weightlessness experienced by spaceman in a space-ship orbiting the ea...

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  6. A satellite is revolving around the earth in a circular orbit with a u...

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  7. An earth satellite is moving round the earth in a circular orbit. For ...

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  8. An artificial satellite orbiting the earth doesnot falldown, because t...

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  9. If an orbiting satellite comes to stand still suddenly

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  10. For satellite to appear stationary at a position

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  11. Two heavenly bodies S1 and S2 not far off from each other are seen to...

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  12. The period of geostationary artificial satellite of the earth is

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  13. A missile is launched with a velocity less than the escape velocity. T...

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  14. When a projectile attains the escape velocity, then on surface of plan...

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  15. An earth satellite is moved from one stable circular orbit to a farthe...

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  16. When a satellite is going round the earth in a circular orbit of radiu...

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  17. Orbital velocity of a satellite revolving in a circular path close to ...

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  18. The time period of an earth satellite in circular orbit is independent...

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  19. The escape velocity for a planet is upsilone . A particle is projected...

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  20. If a small part separates from an orbiting satellite, the part will

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