Q.

The centripetal force on a satellite revolving around the Earth is F. The earth's gravitational force is also F. The net force on the satellite is


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a

2F

b

0

c

F

d

F2 

answer is C.

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Detailed Solution

The net force on the satellite is F.
Gravity provides a force on satellites. The force required by the satellite to complete its circular motion around the earth will be provided by the earth. Because the gravitational force exerted by the Earth on the satellite acts as a centrifugal force. Since only one force is being applied, as a result, the net force acting on the satellite is also F.
 
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The centripetal force on a satellite revolving around the Earth is F. The earth's gravitational force is also F. The net force on the satellite is