If three particles, each of mass M, are placed at the three corners of an equilateral triangle of side, a the force exerted by this system on another particle of mass M placed (i) at the midpoint of a side and (ii) at the centre of the triangle are respectively.
![](https://sahay.guru/wp-content/uploads/2020/10/43-1-1024x454.jpg)
![](https://sahay.guru/wp-content/uploads/2020/10/43-2-915x1024.jpg)