A satellite revolving around the earth is kept on its orbit by?
A
Centripetal forces only
B
Centripetal and frictional forces
C
Centrifugal forces only
D
Centripetal and centrifugal forces
Verified Correct Answer: A.
Physical Principles & Numerical Solution
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.
Source: WAEC / JAMB / NECO Classroom Archive (Record #44729)