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6.23 A load Q is hoisted by the pulley arrangement shown in Fig. D. Determine the magnitude of the pull P required to raise
6.23 A load Q is hoisted by the pulley arrangement shown in Fig. D. Determine the magnitude of the pull P required to raise the load Q if r = 340 mm, d=100 mm, and the coefficient of friction in the journal supporting the large pulley is -0.25. Neglect friction in the movable pulley. What is the efficiency of this device? (Ans. P=0.535Q; Eff= 0.935) awod Q P wanwadi daid at Fig. Dofitebe olla el W ISA
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Modern Quantum Mechanics
Authors: J.J Sakurai
Revised Edition
9781108499996, 201539292, 978-0201539295
