Question

Three particles each of mass $m$ are placed at the three corners of an equilateral triangle. The centre of the triangle is at a distance $x$ from either corner. If a mass $M$ placed at the centre, what will be the net gravitational force on it.

• A. Zero
• B. $3GMm$ $/x^2$
• C. $\frac{1}{36}$
• D. $GMm$ $/x^2$

Answer 1

Answer: (A)