A Net Force Of Zero Torque. Note that each force that acts in the counterclockwise direction has a positive torque whereas each force that acts in the clockwise direction has a negative torque. Friction is so small it can be ignored.
When the angle th is near zero there is a relatively large positive CCW torque about P due to gravity and so the normal force must act relatively far away from P to balance this torque out. Expressed as an equation this is simply 911 n e t F 0 Note that if net F is zero then the net external force in any direction is zero. Zero net force means exactly the same net torque regardless around which point it is calculated.
So this is your our vector and the force vector is pushing down.
When the net force on the system is zero the torque measured from any point in space is the same. Note that each force that acts in the counterclockwise direction has a positive torque whereas each force that acts in the clockwise direction has a negative torque. For example if two equal and opposite forces are acting on the periphery on. But the torques um on both of these sides actually add together right.