reactions at A and E
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![3. Determine the reactions at A and E when the angle a = 30°. (image from Beer et al.
2010)
500 N
200 mm
α
B
C
200 mm
D
30
E
150 mm
200 mm
Answer: RE = 287.3798 N ; Ax = 37.3798 N; A₁ = 433.0127 N ↑
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