Two point masses of and are placed apart on a straight line

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

Problem

Two point masses of

2\,\text{kg}

and

8\,\text{kg}

are placed

0.20\,\text{m}

apart on a straight line. At what distance from the

2\,\text{kg}

mass, measured along the line joining them, will the net gravitational field be zero? (a)

10\,\text{cm}

(b)

13.3\,\text{cm}

(c)

6.7\,\text{cm}

(d)

4.0\,\text{cm}