P P' 60 mm (l А B 80 mm 200 mm SO mm Section -

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The vertical portion of the press shown is made
for a rectangular tube of wall thickness 𝒕= 8.00
mm.
Knowing that the press has been used to tighten
two wooden planks exerting a force 𝑷=23.00
kN.
Determine:
a) The normal bending stress at point A and
at point C (given in MPa) and define whether it is
in compression or in tension.
b) If the allowable bending stress is
𝜎𝑝𝑒𝑟𝑚 = 200 𝑀𝑃𝑎, what is the factor of
overall system security?
P P' 60 mm (l А B 80 mm 200 mm SO mm Section -