One cubic foot of steel weighs approximately how many pounds?

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Multiple Choice

One cubic foot of steel weighs approximately how many pounds?

Explanation:
This question tests you on density—how much weight a material has per unit volume. For steel, the standard density is about 7.85 grams per cubic centimeter, which converts to roughly 490 pounds per cubic foot. So one cubic foot of steel weighs about 490 pounds. The other numbers are farther from the typical steel density, while the idea is to use weight per volume to estimate load. If you prefer a quick mental check, one cubic inch of steel weighs about 0.283 pounds, and multiplying by 1728 cubic inches gives about 490 pounds.

This question tests you on density—how much weight a material has per unit volume. For steel, the standard density is about 7.85 grams per cubic centimeter, which converts to roughly 490 pounds per cubic foot. So one cubic foot of steel weighs about 490 pounds. The other numbers are farther from the typical steel density, while the idea is to use weight per volume to estimate load. If you prefer a quick mental check, one cubic inch of steel weighs about 0.283 pounds, and multiplying by 1728 cubic inches gives about 490 pounds.

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