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A uniform light rod AB 50cm long in equilibrium when forces 3N, 5N and X acts on it as shown in the figure below. Find the magnitude of the force X
Uniform light rod

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(x × 0.1m) = (5.1 × 0.05m) +3N ×0.23
0.1x=0.25NM + 0.75NM
0.1x=1.0NM
     x=10N

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