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Block and tackle: professor in bosun's chair pulls himself up. the top part of a block and tackle (three pulleys each on both upper and lower parts) is attached near the ceiling of the classroom; the bottom part is attached to a canvas bosun's chair which hangs a few feet above the ground.. 1m20.20 bosun's chair hoist yourself using an 8 pulley system, or ask a student to do the work. can be used with a large spring scale to show the force required.. For approximately 3 years he worked alone. the window washer of the medical office building was the company's first employee that worked from the boatswain's chair. the chair had been used before by the company's owner. other employees had experience in a boatswain's chair from working for other companies..

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Best answer: you really need to post a picture. i am not sure what pulley and chair arrangement about which you are talking, but it certainly is not atwood's machine. it is more likely the bosun's chair arrangement.. (5) a 58-kg skier skies down a frictionless ski slope inclined at an angle of 18 to the horizontal while a strong wind blows horizontally against her. determine the (a) magnitude of the force of the wind and (b) the normal. The combined mass of man and chair is 95.4 kg. with what force . asked by ajay on june 5, 2011; physics. a man is sitting in a bosun's chair that dangles from a massless, frictionless pulley and back down to the mans's hand. the combined mass of man and chair is 100 kg..

boatswain chair physics