To steady a sign as it is being lowered, two cables are attached to the sign at

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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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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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Question Posted: Aug 31, 2010 06:04 AM

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To steady a sign as it is being lowered, two cables are attached to the sign at

Question:

35 so ll.

Step by Step Answer:

80lb 35 R 70lb Using the triangle rule ...View the full answer

Vector Mechanics for Engineers Statics and Dynamics

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