A-level · Moments

Equilibrium of rigid bodiesExam-style questions

A rigid body in equilibrium needs both zero resultant force and zero resultant moment — using these two conditions to find the reaction forces on a supported beam, and taking moments about a support to eliminate an unknown.

22 questions · A-level level · mark scheme and worked solution on each · no sign-up to try

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  1. 1
    A uniform beam ABAB of length 66 m and weight 200200 N rests on supports at AA and BB. Find the reactions at AA and BB.
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