The length of wire is increased by 8 mm in length, when a weight of 5 kg is hung through it. If all the conditions are kept same, but radius of wire is doubled, what would be the new length of wire?
(a) 2mm
(b) 4mm
(c) 6mm
(d) 8mm
I got this question during a job interview.
My doubt stems from Strength of Materials topic in division Strength of Materials and Construction Materials of Farm Machinery