The gravitational field strength at the surface of a planet of radius is

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

The gravitational field strength at the surface of a planet of radius

R

g

. A satellite is moving in a circular orbit a distance

R

above the surface of the planet. What is the magnitude of the acceleration of the satellite? (A) 0 (B)

\frac{g}{4}

(C)

\frac{g}{2}

(D)

g