Solution of task 5.7.9 from the collection of Kepe OE

Solution of task 5.7.9 from the collection of Kepe OE

5.7.9
Horizontal shaft 2 with disk 1 with handle || Ah, block 3 and the system of yarns 4, 5, 6, located in a vertical plane, is kept in balance. A vertical force Q = 100H is applied to the disk 1. Determine the tension of the thread 5, if R = 2 BC, Q = 2a = 60 °. (Answer 173)

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