Question: 1. A plank is supported by a bolt attached to the side wall and a wire at the other end, as shown . The plank

1. A plank is supported by a bolt attached to the side wall and a wire at the other end, as shown . The plank has a mass of 30 kg and 3.0 m long and it is uniform. Find the tension in the wire? Show your calculation.

25 3.0 m

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