A force acts at the origin of a coordinate system in a direction defined by the angles

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A force acts at the origin of a coordinate system in a direction defined by the angles θx= 70.9° and θy = 144.9°. Knowing that the z component of the force is -52.0 lb, determine
(a) The angle θz,
(b) The other components and the magnitude of the force.
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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073398242

11th edition

Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self

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