# Two bodies of masses

Question:

Two bodies of masses $\mathrm{m}$ and $4 \mathrm{~m}$ are placed at a distance $\mathrm{r}$. The gravitational potential at a point on the line joining them where the gravitational field is zero is :-

1. $-\frac{6 \mathrm{Gm}}{\mathrm{r}}$

2. $-\frac{9 \mathrm{Gm}}{\mathrm{r}}$

3. zero

4. $-\frac{4 \mathrm{Gm}}{\mathrm{r}}$

Correct Option: , 2

Solution: