Civil Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 5 (Q.No. 9)
9.
If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio
1 : n
n : 1
1 : 
: 11 : n.
Discussion:
13 comments Page 2 of 2.
Deepak said:
7 years ago
I think the answer is D.
Muhammad Zeeshan khan said:
7 years ago
The formula of stress by its own weight is stress=wl/2AE if we increase by n:1 ie l by n and A by 1 than we get the which is increased by n:1.
Ankit said:
9 years ago
Please explain it.
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