Problem : The bell crank shown below is in equilibrium. Determine (a) the required diameter of the connecting rod AB if its axial stress is limited to 100 MPa. (b) the shearing stress in the pin at D...

Problem : The bell crank shown below is in equilibrium. Determine

(a) the required diameter of the connecting rod AB if its axial stress is limited to 100 MPa.

(b) the shearing stress in the pin at D if its diameter is 20 mm, and also