Discussion
Doubling the length of a tip-loaded cantilever, at constant load and \( EI \), changes its tip deflection by a factor of
Answer: D
Tip deflection goes as the cube of the length, so doubling it multiplies the deflection by \( 2^3 = 8 \). Answering four confuses this with a uniformly distributed load's dependence, which is a fourth power rather than a cube.
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