Question

Three masses each of mass $m$ are placed at the vertices of an equilateral triangle $ABC$ of side $l$ as shown in figure. The force acting on a mass $2m$ placed at the centroid $O$ of the triangle is

• A. zero
• B. $\frac{3Gm^{2}}{l^{2}}$
• C. $\frac{5Gm^{2}}{l^{2}}$
• D. $\frac{7Gm^{2}}{l^{2}}$

Answer 1

Answer: (A)

zero

Answer 2