**minimum** Force $\displaystyle F$ required to move $\displaystyle M_2$.

**Details and Assumptions:**

$\bullet$ $\displaystyle M_1 = 3Kg$

$\bullet$ $\displaystyle M_2 = 5Kg$

$\bullet$ $\displaystyle \mu_1 = 0.4$

$\bullet$ $\displaystyle \mu_2 = 0.6$

$\bullet$ $\displaystyle g = 9.8m/s^2$