MCQ
Three particles of masses $50\, g$, $100\, g$ and $150\, g$ are placed at the vertices of an equilateral triangle of side $1\, m$ (as shown in the figure). The $(x, y)$ coordinates of the centre of mass will be


- A$\left( {\frac{{\sqrt 3 }}{7}\,m,\,\frac{7}{{12}}\,m} \right)$
- B$\left( {\frac{7}{{12}}m,\,\frac{{\sqrt 3 }}{8}\,m} \right)$
- C$\left( {\frac{{\sqrt 3 }}{4}\,m,\,\frac{5}{{12}}\,m} \right)$
- ✓$\left( {\frac{7}{{12}}m,\,\frac{{\sqrt 3 }}{4}\,m} \right)$

