A man grows into a giant whose every linear dimension is multiplied by 9, his density remaining unchanged. By what factor does the compressive stress in his leg bones change?

Question

Accepted Answer

9. Stress ~ (rho L³ g)/L² = rho g L, so it scales linearly with L, i.e. by a factor of 9.

A man grows into a giant whose every linear dimension is multiplied by 9, his density remaining unchanged. By what factor does the compressive stress in his leg bones change?

Solution

Related JEE Main Physics questions