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Hold the Block

Push the wedge just hard enough that the block on it never slides. Feel F = (M+m) g tanθ.

Physics · Class 11 · Wedges and pseudo force · 9 simulations. For JEE, NEET and your boards.

A picture of the Hold the Block simulation

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What you'll learn

  1. Hold it still: Pseudo force in an accelerating frame
  2. Just the acceleration: Resolve along the slope
  3. Which way will it slide?: Net pull along the slope
  4. Least push: Friction gives a window of pushes
  5. Most push: The other edge of the window
  6. Wedge in a lift: Gravity inside an accelerating lift
  7. Let the wedge go: A wedge that is free to move
  8. Held by a string: Along the slope for T, across it for N
  9. Wedge recoil: Momentum along the floor