The strong room of a school where an exam question papers are kept is made up ofrectangular metal bars.One bar has a width of 10 mmand would beable to withstand a maximum compressive stress of 20 MPa. i.Prove that,the minimum breadth of thisbar can withstand a burdened with a force of 3 KN. ii.If the bar in question is 2 mlong and decreases in length by 0.25 mmwhen aforce isapplied, then show thata percentage strain can be obtained. iii.What would be its Modulus of Elasticity, E
The strong room of a school where an exam question papers are kept is made up ofrectangular metal bars.One bar has a width of 10 mmand would beable to withstand a maximum compressive stress of 20 MPa. i.Prove that,the minimum breadth of thisbar can withstand a burdened with a force of 3 KN. ii.If the bar in question is 2 mlong and decreases in length by 0.25 mmwhen aforce isapplied, then show thata percentage strain can be obtained. iii.What would be its Modulus of Elasticity, E
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Section: Chapter Questions
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b.The strong room of a school where an exam question papers are kept is made up ofrectangular metal bars.One bar has a width of 10 mmand would beable to withstand a maximum compressive stress of 20 MPa.
i.Prove that,the minimum breadth of thisbar can withstand a burdened with a force of 3 KN.
ii.If the bar in question is 2 mlong and decreases in length by 0.25 mmwhen aforce isapplied, then show thata percentage strain can be obtained.
iii.What would be its Modulus of Elasticity, E?
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