When the load on a wire is slowly increased from 3 to 5 kg wt, the elongation increases from 0.61 to 1.02 mm. The work done during the extension of wire is
A. 0.16 J
B. 0.016 J
C. 1.6 J
D. 16 J
Answer:B
When the load on a wire is slowly increased from 3 to 5 kg wt, the elongation increases from 0.61 to 1.02 mm. The work done during the extension of wire is
A. 0.16 J B. 0.016 J C. 1.6 J D. 16 J