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QUESTION
A stepped elastic bar with variable Young's modulus is subjected to a distributed axial load as shown.
A stepped elastic bar with variable Young's modulus is subjected to
a distributed axial load as shown. Determine and accurately draw for
the bar
(a) the internal force diagram;
(b) the internal stress diagram;
(c) and the internal strain diagram.
l 2l
A, 2E 2A, E
bo 2bo
3.
