Consider a prismatic straight beam of length ๐ฟ = ๐œ‹ m, pinned at the two ends as shown in the figure. The beam has a square cross-section of side p = 6 mm

Q. Consider a prismatic straight beam of length ๐ฟ = ๐œ‹ m, pinned at the two ends as shown in the figure. The beam has a square cross-section of side p = 6 mm. The Youngโ€™s modulus E = 200 GPa, and the coefficient of thermal expansion ๐›ผ = 3 ร— 10โˆ’6 Kโˆ’1. The minimum temperature rise required to cause Euler buckling of the beam isย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  K.

Sol:

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