- #1

moaath

- 6

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**??how to get there**

I tried to solve this question its from old exam and the answer is posted down but I didn't know how to get there please explain for me how we solve these kind of question??

two particles with masses M and 4*M are separated by distance D what is the distance from the mass M for which the net gravitational force on a mass m is zero.

the answer is (D/3)