PPT Slide
Free Body Diagram
(4.06’, 9.93’, 0)
x
y
z
crossbar: 750 lbs
uprights: 90 lbs each
gooseneck: 650 lbs
1580 lbs
Ay
Ax
MA
we then used the center of
mass to draw a free body
diagram
we then solved for the
unknown reactions
Ax = 0
Ay = +1580 lbs
MA = +6416 ft-lbs
(with respect to FBD)
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