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MHT CET Physics question

PhysicsGravitationMHT CET

Three identical bodies of mass are located at the vertices of an equilateral triangle of side . They revolve under the effect of mutual gravitational force in a circular orbit, circumscribing the triangle while preserving the equilateral triangle. Their orbital velocity is

Answer: (A)

Solution

Orbit radius ; net force on one body , giving

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Question ID VK-060213