A satellite revolving around the earth is kept on its orbit by?

Physics

JAMB 2016

A. Centripetal forces only
B. Centripetal and frictional forces
C. Centrifugal forces only
D. Centripetal and centrifugal forces

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Correct Answer: Option A

Explanation

The concept of centrifugal force can be applied in rotating devices, such as centrifuges, centrifugal pumps, centrifugal governors, and centrifugal clutches, and in centrifugal railways, planetary orbits and banked curves, when they are analyzed in a rotating coordinate system.

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