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Strobe Wheel

Roll a wheel under a strobe light. Find the speed of any point, and the push over a kerb.

Physics · Class 11 · Rolling without slipping · 6 simulations. For JEE, NEET and your boards.

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What you'll learn

  1. Top of the wheel: Rolling: every dot turns about the contact point
  2. Side dot: A dot's velocity: at right angles to the line from the contact point
  3. Half a turn: Where a rim dot goes: roll plus turn
  4. Coin round a coin: Rolling round a circle: turns = (R + r) / r
  5. Up the kerb: Over a kerb: take torques about the edge
  6. Hit the step (JEE Adv): Hitting a step: L about the edge, then energy