answer the questions Compared with a solid steel bar having a rectangular cross-

Question

answer the questions

Compared with a solid steel bar having a rectangular cross-section, an I-beam has the advantage of A) being lighter. B) being stronger per bodyweight. c) both of these D) neither of these The strength of a rope depends on its A) thickness. B) length. C) both of these The strength of a beam is most related to its A) cross section. B) length. C) both of these An athlete can perform a certain number of pushups. The same athlete scaled down in can do A) fewer pushups. B) the same number of pushups. C) more pushups

Explanation / Answer

c - both of these

a - thickness

a - cross section

B - the same number of pushups

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