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Questions  

An earth satellite is moved from one stable circular orbit to a farther stable circular orbit. Which one of the following quantities increases

a
gravitational force
b
gravitational PE
c
linear orbital speed
d
centripetal acceleration

detailed solution

Correct option is B

Gravitational P.E =so If r increases, GMm / r decreases and ' - GMm/r' increases. Hence, option - (2) is right.

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