This patient had a recurvatum problem at the knee; so, the posterior shell might have been given to this patient to gain some time until the patient's knee flexors became stronger.
Breakaway torque is defined as the torque required to start a partâs rotation from a stationary position. It is usually a higher value compared to the maximum tightening torque value as per specification .
There must be net torque which is responsible for starting the rotation of the pulley. The net torque is resultant of two torques due to the two cords. Tensions in left and right cords are NOT EQUAl . Tension in right cord is more because of the heavier mass of block B. The blocks move with acceleration and pulley has angular acceleration .