Three identical metal balls, each of the radius r are placed touching each other on a horizontal surface such that an equilateral triangle is formed when centres of three balls are joined. The centre of the mass of the system is located at ___________

Line joining centres of any two balls

Point of intersection of the medians

Three identical metal balls, each of the radius r are placed touching

1.	Three identical metal balls, each of the radius r are placed touching each other on a horizontal surface such that an equilateral triangle is formed when centres of three balls are joined. The centre of the mass of the system is located at ___________
A.	Line joining centres of any two balls
B.	Centre of one of the balls
C.	Horizontal surface
D.	Point of intersection of the medians
Answer» E.

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Three identical metal balls, each of the radius r are placed touching each other on a horizontal surface such that an equilateral triangle is formed when centres of three balls are joined. The centre of the mass of the system is located at ___________

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