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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

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

Answer: (D)

Solution

With three equal masses at the vertices of an equilateral triangle, the CM is the

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Question ID VK-158864