Q: Three identical metal balls each of radius r are placed toughing each other on a horizontal surface such that an equilateral triangle is formed, when centre of three balls are joined. The centre of the mass of system is located at (a) Horizontal surface (b) Centre of one of the balls (c) Line jointing centres of any two balls (d) Point of intersection of the medians Ans: (d) Also Read :Three identical a bodies of mass M are located at the vertices of an equilateral triangle of side L…Find the capacitance of a system of two identical metal balls of radius a if the distance between…An equilateral triangle ABC formed from a uniform wire has two small identical beads initially…Three charges 2q,-q,-q are located at the vertices of an equilateral triangle. At the centre of the…Three identical thin rods, each of mass m and length L are joined to form equilateral triangle. Find…Three identical bodies, each of mass m, are located at the vertices of an equilateral triangle with…Two rods each of mass m and length l are joined at the centre form a cross. The moment of inertia of…Three identical uniform rods each of length 1 m and mass 2 kg are arranged to form an equilateral…Three particles each of mass m are kept at vertices of an equilateral triangle of side L. The…Two identical pitch balls are charged by rubbing against each other. They are suspended from a… Post navigation Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively of a square ABCD of diagonal 80 cm. the distance of centre of mass from A will be A cricket bat is cut at the location of its centre of mass as shown. Then