The cable of hoist has a cross sectional of 80mm2.The hoist is used to lift a crate weighining 500 kg.The free length of of the cable is 30 m.Assume all deformation is elastic. (a) what is the stress on the cable. (b) How much will the cable extend if it is made from steel(E-200 Gpa)? (c) How much will the cable extend if it is made from polypropylene(E-1.2 Gpa)?

Elements Of Electromagnetics
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ISBN:9780190698614
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The cable of hoist has a cross sectional of 80mm2.The hoist is used to lift a crate weighining 500 kg.The free length of of the cable is 30 m.Assume all deformation is elastic.

(a) what is the stress on the cable.

(b) How much will the cable extend if it is made from steel(E-200 Gpa)?

(c) How much will the cable extend if it is made from polypropylene(E-1.2 Gpa)?

 

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