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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

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

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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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 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
Transcribed Image Text: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
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