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PhysicsJEE Main 6 Apr 2026, Shift 1·Q7·MCQ·Moderate

Circular Motion · Potential energy and conservation

A smooth inclined plane ends in a vertical circular loop, as shown in the figure. A small body is released from height h as shown. If the body exerts a force of three times its weight on the plane at the highest point of circle then the height h=αRh = \alpha R. The value of α\alpha is
  1. (1)2
  2. (2)4
  3. (3)3
  4. (4)6

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