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Twist & Swing

Twist a disc on a wire and swing a rod from one end. Set the period you want.

Physics · Class 11 · Twisting and swinging bodies · 6 simulations. For JEE, NEET and your boards.

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What you'll learn

  1. Twist the disc: The torsion pendulum: T = 2π√(I/κ)
  2. Swinging rod: The physical pendulum: T = 2π√(I/mgd)
  3. Bigger disc: Angular SHM: T grows as √I
  4. Top spin speed: Energy in a twist: ½κθ² and ½Iω²
  5. Off-centre dumbbell: Twisting a dumbbell about its centre of mass
  6. Spring on a rod: Springs on a hinged rod: ω² = kd²/I