Lecture_2-3D_Cartesian_Vector-1.ppt

# Lecture_2-3D_Cartesian_Vector-1.ppt - Force Vectors Lecture...

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Force Vectors Lecture 2-Cartesian Vectors  (3-Dimensional Vectors) Sections 2.5 through 2.6

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Concept Question1-1  1.  If  β  = 60 o γ  = 45 o , then  α  = __________      A) 60 o        B) 75 o        C) 90 o        D) 150 o
Concept Question-2  2. Given that F Rx  = 50i lb and  F R  = 191 lb, then a = ______       A) 60 o       B) 75 o       C) 90 o       D) 150 o

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Concept Questions-3  3.  If   F  = {10  i  + 10  + 10  k }  N and            G  = {20  i  + 20  j  + 20  } N,  then  F  +  G  = { ____ } N        A) 10  i  + 10  j  + 10  k        B) 30  i  + 20  j  + 30  k        C) -10  i   - 10  j  - 10  k        D) 30  i  + 30  j  + 30  k
The  pole  is  subjected  to  the force F, which has components F x =1.5  kN  and  F z =1.25  kN. Assume

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## Lecture_2-3D_Cartesian_Vector-1.ppt - Force Vectors Lecture...

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