Which of the following gives the acceleration due to gravity at Earth’s surface in…

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

Problem

Which of the following gives the acceleration due to gravity

g

at Earth’s surface in terms of universal gravitational constant

G

, Earth’s mass

M

and radius

R

? (a)

\dfrac{2GM}{R^{2}}

(b)

\dfrac{G(M+m)}{R^{2}}

(c)

\dfrac{GM}{R^{2}}

(d)

\dfrac{GM}{2R^{2}}