Mechanics and Young’s Modulus
November 7th, 2022
For the cross-section of the following figure, which is made from material with Young’s modulus 100MN/m^2:
(a) State the location of the centroid.
(b) Show that the second moments of area about the z axis and teh axis aa are respectively 2.51×10^5 mm^4 and 1.26×10^6 mm^4.
(c) A strut is made of this section. When subject to end-to-end loading, about what axis will the strut buckle?
(d) Find the buckle load for a strut with one end build-in and of length 2m.