MHT CET Physics question

An artificial satellite stays in the orbit around the earth because

(A)Earth's attraction on it is balanced by the attraction of the planets
(B)The fuel in the satellite burns and releases hot gases which produce thrust
(C)Earth's attraction on it is just balanced by the viscous force on it produced by the atmosphere
(D)Earth's attraction on in produces necessary centripetal forceCorrect

Answer: (D)

Solution

The earth's gravitational pull provides exactly the centripetal force needed for circular motion; the planets' attraction is

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Question ID VK-059730