A man grows into a giant

Question:

A man grows into a giant such that his linear dimensions increase by a factor of 9 . Assuming that his density remains same, the stress in the leg will change by a factor of:

  1. 81

  2. $\frac{1}{81}$

  3. 9

  4. $\frac{1}{9}$


Correct Option: , 3

Solution:

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