Which one of the following expressions gives the gravitational force between two…

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

Problem

Which one of the following expressions gives the gravitational force between two point masses

m_1

and

m_2

separated by a distance

r

? (a)

F = \dfrac{G m_1 m_2}{4 r^{2}}

(b)

F = G\dfrac{(m_1 + m_2)^2}{r^{2}}

(c)

F = G\dfrac{m_1 m_2}{r^{2}}

(d)

F = G\dfrac{m_1^{2} + m_2^{2}}{r^{2}}