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Question 30356
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Rigid Body Dynamics: Toppling vs Sliding MCQ

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Toppling vs SlidingHardQuestion 30356

Question

A rectangular block (height H, base width W, mass M) on a rough surface. As the tilt angle increases, toppling occurs when the vertical through the centre of mass passes:
  1. A
    Through the centre of the base
  2. B
    Outside the base edge
    Correct
  3. C
    Through the top edge
  4. D
    Through the opposite edge

Correct answer

Outside the base edge

Explanation

When the vertical line through the centre of mass falls outside the base of support, the restoring torque is zero and toppling begins.

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