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PhysicsJEE Main 24 Jan 2026, Shift 2·Q15·MCQ·Easy–moderate

Newton's Laws of Motion · Newton's laws

A flexible chain of mass mm hangs between two fixed points at the same level. The inclination of the chain with the horizontal at the two points of support is 30∘30^\circ. Considering the equilibrium of each half of the chain, the tension of the chain at the lowest point is .
  1. (1)32mg\dfrac{\sqrt3}{2}mg
  2. (2)12mg\dfrac12 mg
  3. (3)mgmg
  4. (4)3 mg\sqrt3\,mg

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