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OpenStudy (anonymous):
The 7-m A-frame ladder in the following diagram is rated to carry 1.25kN but is being tested at 5kN. Determine the component of the 5kN force acting perpendicularly to the lader at point A.
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OpenStudy (anonymous):
|dw:1360750942427:dw|
OpenStudy (anonymous):
Any help would be greatly apreciated. A friend and I have been struggling on this problem most of the morning.
hartnn (hartnn):
isn't it as simple as 5 sin 75 ? i m not sure though.
hartnn (hartnn):
i meant 5 cos 75
OpenStudy (anonymous):
|dw:1360751170624:dw|
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OpenStudy (anonymous):
5cos75
hartnn (hartnn):
|dw:1360751319648:dw|
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