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IB Physics HL A.4.2 Rotational equilibrium Question Bank

Practise IB Physics HL A.4.2 by applying rotational equilibrium concepts to exam-style physics questions.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • identify the relevant physical quantity, model or diagram
  • apply the correct equation and units to the evidence
  • justify the result using conservation laws, forces or energy relationships

A.4.2 (HL)—Rotational equilibrium question 1

[Maximum number: 1]

A uniform cylinder, of mass M and length L, has a moment of inertia of 112ML2\frac{1}{12} M L^{2} when rotated about an axis through its centre.

Figure for Question A.4.2 (HL)—Rotational equilibrium question 1 — IB Physics HL

State the condition for rotational equilibrium.

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