Question: To steady a sign as it is being lowered, two cables are attached to the sign at A. Using trigonometry and knowing that the magnitude

To steady a sign as it is being lowered, two cables are attached to the sign at A. Using trigonometry and knowing that the magnitude of P is 70 lb, determine

(a) The required angle Î± if the resultant R of the two forces applied at A is to be vertical,

(b) The corresponding magnitude of R.

35 so ll.

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