Two Forces Act at a Point in the Plane $63.6$ And $45.0 \mathrm { lb }$

question 359

Multiple Choice

Two forces act at a point in the plane. The angle between the two forces is given. Find the magnitude of the resultant
force.
-forces of $63.6$ and $45.0 \mathrm { lb }$ , forming an angle of $98.5 ^ { \circ }$ (round to the nearest pound)

• A) \(83 \mathrm { lb }\)
• B) \(6916 \mathrm { lb }\)
• C) \(72 \mathrm { lb }\)
• D) \(108 \mathrm { lb }\)

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