Question

Use the potential-energy diagram in Figure $42.8$ to estimate the strength of the strong force between two nucleons separated by $1.5$fm.

Short answer

$F=8000$

Step-by-step solution

Given information

we have been given that$F=\frac{-\Delta U}{\Delta r}$

Simplify

$\Delta U=-20\mathrm{MeV}-(-70\mathrm{MeV})$

$\Delta U=50\mathrm{MeV}$

Hence,we will put the value

$F=\frac{-50\mathrm{MeV}}{1\times {10}^{-15}\mathrm{m}}\times 1.6\times {10}^{-19}\mathrm{J}/\mathrm{eV}$

$\left|F\right|=8000\mathrm{N}$