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Grade 12Engineering Entrance Exams

The radii of two wires of a same material are in ratio 2:1. if the wires are stretched by equal forces, the stress produced in them will be what?

Profile image of Rahul Kumar
12 Years agoGrade 12
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2 Answers

Profile image of Saurabh Koranglekar
6 Years ago
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Profile image of Arun
6 Years ago
STRESS (S)=FORCE(F)/AREA (A)
S IS INVERSLY PROPORTIONAL TO AREA
S=1/
πRπ, BEING A CONSTANT THEREFORE WE CAN SAY S IS INVERSLY PROPORTIONAL TO R2
S1=1/R2
S2=1/R22
DIVIDING 1 AND 2 WE GET


S1/S2=R2^2/R1^2

THEREFORE THE RATION IS 1:4

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