Answer
The effective cross-sectional area of a human femur is $3.125~cm^2$
The effective cross-sectional area of a horse femur is $7.14~cm^2$
Work Step by Step
We can find the effective cross-sectional area of a human femur:
$\frac{F}{A} = 1.6\times 10^8~Pa$
$A = \frac{F}{1.6\times 10^8~Pa}$
$A = \frac{5\times 10^4~N}{1.6\times 10^8~Pa}$
$A = 3.125\times 10^{-4}~m^2$
$A = 3.125~cm^2$
The effective cross-sectional area of a human femur is $3.125~cm^2$
We can find the effective cross-sectional area of a horse femur:
$\frac{F}{A} = 1.4\times 10^8~Pa$
$A = \frac{F}{1.4\times 10^8~Pa}$
$A = \frac{10\times 10^4~N}{1.4\times 10^8~Pa}$
$A = 7.14\times 10^{-4}~m^2$
$A = 7.14~cm^2$
The effective cross-sectional area of a horse femur is $7.14~cm^2$.
