can someone explain 67. Also how do you figure out which to use sine or cosine in this? 2-67. The two forces F1 and F2 have a resultant forceof FR={-100k} lb. Determine the magnitude andcoordinate direction angles of F2.*2-68. Determine the coordinate direction angles of F₁and indicate them on the figure.kF2BO30°50°F₁ = 60 lbProbs. 2-67/68y

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Answered: 2-67. The two forces F1 and F2 have a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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2-67. The two forces F1 and F2 have a resultant force of FR={-100k} lb. Determine the magnitude and coordinate direction angles of F2. *2-68. Determine the coordinate direction angles of F₁ and indicate them on the figure. k F2 BO 30° 50° F₁ = 60 lb Probs. 2-67/68 y