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Calculus1 15 Online
OpenStudy (anonymous):

Three forces with the magnitudes of 80, 50, and 70 pounds act on an object at angles of -60 degrees, 55 degrees, and 145 degrees, respectively, with the positive x-axis. Find the direction and magnitude of the resultant of these forces.

OpenStudy (anonymous):

Can some one show me how to work out this problem?

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