Physics, 23.04.2021 23:00 blackopsty23

Course hero N4M.6 A board has one end wedged under a rock having a mass of 380 kg and is supported by another rock that touches the bottom side of the board at a point 85 cm from the end under the rock. The board is 4.5 m long, has a mass of about 22 kg, and projects essentially horizontally out over a river. Is it safe for an adult with a mass of 62 kg to stand at the unsupported end of the board

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Course hero N4M.6 A board has one end wedged under a rock having a mass of 380 kg and is supported b...