Question

Each of the four vertical links has an 8 x 36-mm uniform rectangular cross section, and each of the four pins has a 16-mm dia
Determine the maximum value of the average normal stress in the links connecting points B and D.
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Answer #1

BALANCING MOMENT ABOUT POINT C:

(Pl(AO) = (FO) (BU 0931(0.2570.4) = (F5)10.4) fo = 37.375 kn

THE FORCE AT PIN B WILL BE SHARED EQUALLY BY TWO VERTICAL LINKS AS BD.

SO:
FBD = 0 -18.6875 K NJ

THE NORMAL STRESS WILL BE:

CODE FOD 18.687Y X10% = 64.887 Mpa 8x36x10-6 ABD Copa 64.887 MPa

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