$300$ N

Question $4$

Use a ruler to prepare the required FBDs to determine the following for the $40-Kg$ block:

a$)$ Minimum force required P $($ N with no decimal places$)$ to initiate sliding, Psl$,s=0\mathrm{.}5.$

b$)$ Minimum force required P $($ N with no decimal places$)$ to produce $.$ overturning, Pot.

c$)$ Comment on the above results.

$Ff=N$