Physics Elasticity Question 163
Question: A substance breaks down by a stress of 106 N/m2. If the density of the material of the wire is 3×103 kg/m3, then the length of the wire of the substance which will break under its own weight when suspended vertically, is
[DPMT 2004]
Options:
A) 66.6 m
B)60.0 m
C)33.3 m
D) 30.0 m
Show Answer
Answer:
Correct Answer: C
Solution:
$ L=\frac{p}{dg}=\frac{10^{6}}{3\times 10^{3}\times 10}=\frac{100}{3}=33.3m $
BETA
