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Using Castigliano’s theorem determine the slope of the free end of a cantilever beam carrying a...

Using Castigliano’s theorem determine the slope of the free end of a cantilever beam carrying a uniformly distributed load w = 20 kN/m. The beam is 2 m long, with a section moment of inertia I =1317 cm^4. The material is steel with an elastic modulus of 200 GPa

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