Tapering telephone pole based question
A tapering telephone pole is 10 m long and has a mass of 300 kg. Its center of gravity is 3m from the thick end. What force must be exerted to hold the thin end off the ground so that the axis of the pole is parallel to the ground?
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A uniform board has a mass of 25 kg and is 4 m long. The board is resting on a fulcrum that is 1.3 m from one end. What mass of brick must be placed on the end of the board so that the board will balance on the fulcrum?
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