Question: As shown in Fig. P2.11, two cables are attached to a sign at A to steady the sign as it is being lowered. Using trigonometry,

As shown in Fig. P2.11, two cables are attached to a sign at A to steady the sign as it is being lowered. Using trigonometry, determine

(a) The magnitude and direction of the smallest force P for which the resultant R of the two forces applied at A is vertical,

(b) The corresponding magnitude of R.


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