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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.

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