Two point masses and are fixed apart on a straight line

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

Two point masses

3\,\text{kg}

and

12\,\text{kg}

are fixed

48\,\text{cm}

apart on a straight line. Determine the position (measured from the

3\,\text{kg}

mass) where a third light test mass would experience zero net gravitational field.