COUPLE OF FORCES AND AND STATES OF EQUILIBRIUM
Channel: Asim Educate
Date: 2021-07-14

Couple of forces is the pair of forces which have same magnitude and opposite direction. 
There are three states of equilibrium :
1 stable equilibrium 
2 unstable equilibrium 
3 Neutral equilibrium.
Learning with Asim Ali Heer:
https://youtube.com/channel/UCGhd83MGzKKFwZ7lw93OLJw