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## Homework Statement

A mass at a point X gives rise to a gravitational field strength g at point P as shown. An identical mass is placed at point Y

x ________ p ______________________ y

The resultant g f s is now?

## Homework Equations

g = Gm/r2

## The Attempt at a Solution

I know the answer is between g and zero but don't know if my method is correct?

I'm assuming distance x to p is r and p to r is approximately 2r

Am I right that g = Gm/r2 - Gm/2r2 so g is approximately 1/2?