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A satellite is moving in a …

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A satellite is moving in a circular orbit at a height 100 km above the earth surface a person inside the satellitte feel weightless because A.Acceleration dye to gravity is almost zeroat such a height B.the earth does not exert any force on the person C.the centripetal force makes the satellitte move in a circular orbit D.the force due to earth and the moon are almost compensated at such a height

Posted by Sunilkumar Ks 5 years, 7 months ago

CBSE > Class 12 > Physics

2 answers

Tamanna Sharma 5 years, 7 months ago

The correct option is 3. As we know here the only gravitational force acting on the satellite by earth responsible for centrifugal force (moves in circular orbit) and hence F gravity = normal (weight of person) + centrifugal force, Fg= centrifugal force, hence weight =0, as condition of weightlessness, l hope this would be a clear explanation to you ..as per (centripetal = centrifugal)

Shruti Jha 5 years, 7 months ago

I think the answer should be A. Cuz' as satellite accelerate towards the Earth, the earth curves away beneath them and they don't get closer. So the person feels weightless. Also, please correct me if i am wrong!

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