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Chapter 12: Q28. (page 479)

Find the weight to the nearest 10 kg, of the steel 1- beam shown below. Steel weighs 7860 kg/m3?

Short Answer

Expert verified

The weight of steel beam is314400kgm3 .

Step by step solution

01

Step 1. Given information.

A figure provided in the question,

02

Step 2. Determine the weight.

Firstly, find the volume of steel beam,

v=A(h)=(302鈭�2(12.5脳20))100(10)[substituteandsimplify]=4脳10[simplify]=40m3

Then, the weight of the steel is,

w=40(7860)=314400kgm3[multiply]

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