Question
27. The strength of a beam is directly proportional to its width w and the square of its depth d, and
inversely proportional to its length I. How would the strength of the beam change if the width and
length are doubled?
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27. The strength of a beam is directly proportional to its width w and the square of its depth d, and inversely proportional to its length I. How would the strength of the beam change if the width and length are doubled?

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