15. Rotational Equilibrium - Part 2 of 2
15. Rotational Equilibrium / Beam / Shelf Against a Wall / Problem 2
An advertising sign of mass 2 kg hangs from the right end of a uniform aluminum bar. The bar of mass 8 kg and length 2 m, held in equilibrium, is attached to a wall by a supporting cord, as shown in the image. Find the tension in the cord.
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