Question

two point masses having mass m and 2m are placed at distance d.
the point on the line joining point masses, where gravitational intensity is zero will be at distance.

Answer 1

We need to consider the fact be the position when gravitational force is zero.

Gravitational field because of mass m is zero at remove r, Gravitational field because of mass (2 m) is zero at separate (d-r), So, or Thus, the fact of the matter is at a separation of for the mass m.

Answer 2

The answer is provived in the attachment.

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