Answer to Question #4269 in Mechanics | Relativity for valeria

Question #4269
Two ropes in a vertical plane exert equal magnitude forces on a hanging weight but pull with an angle of 86.0 between them.What pull does each one exert if their resultant pull is 372 directly upward?
1
Expert's answer
2011-10-20T11:34:37-0400
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P-weight of an object
T-pull of rope
alfa=86.0 -angle between ropes
If we project all forces on vertical axis we obtain
2Tcos(alfa/2)=P=372
Hence T=372/2/cos(86.0/2)=372/2/0.73=254.8 - pull exerting by each rope

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