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Questions  

An artificial satellite orbiting the earth does not falldown, because the earth’s attraction

a
is balanced by the attraction of the moon
b
produces the necessary acceleration for its motion in a curved path
c
vanishes at such distances
d
is balanced by viscous drag produced by the atmosphere.

detailed solution

Correct option is B

Gravitational force of attraction of earth on the satellite supplies the centrifugal force neccessary for motion of the satellite along curved path.Hence option - (2) is right.

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