A picture frame hangs from a string. The string is supported by a pin. The frame is in equilibrium.

Physics

IGCSE&ALevel

CAIE

Exam No：9702_s25_qp_14 Year：2025 Question No：11

Answer:

5.3.1 state and apply the principle of moments

5.3.2 understand that, when there is no resultant force and no resultant torque, a system is in equilibrium

5.3.3 use a vector triangle to represent coplanar forces in equilibrium

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