Use the method of Examples 2 and 3 to calculate the work against gravity required to build
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Use the method of Examples 2 and 3 to calculate the work against gravity required to build the structure out of a lightweight material of density 600 kg/m3.
Example 2
Example 3
Cylindrical column of height 4 m and radius 0.8 m
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EXAMPLE 2 Building a Concrete Column Compute the work (against gravity) re- quired to build a concrete column of height 5 m and square base of side 2 m. Assume that concrete has density 1500 kg/m³.
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The area of the base is 0647 m so the volum...View the full answer
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