3. A uniform 4.0 m long beam with a mass of 15 kg rests on a pivot at one end and is kept horizontal by a cable at the other end. The beam is supporting a 25 kg mass as shown. What is the tension in the cable? pluct 15 kg beam 2.5m 25 kg 1.5 m 55° $50 weight of beam = mdch weight of chject = F the middle ch

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