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Aworker stands on a support and with the of a block will lift the load evenly, the weight of which is 480 h (fig. 216). calculate the pressure produced by the support worker, if his weight is 720 n, and the foot area is 320 cm² (friction and block weight can be neglected.)
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Aworker stands on a support and with the of a block will lift the load evenly, the weight of which...
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