Problem
Two hydraulic cylinders control the position of the robotic arm ABC. Knowing that in the position shown the cylinders are parallel, determine the force exerted by each cylinder when P =160 N and Q =8O N.

Fig. P6. 140
Step-by-step solution
Step 1 of 7
Given,Force,
Force,
Comment Step 2 of 7
Free body diagram of the member ABC
Comment Step 3 of 7
Taking moment about B




Therefore, the tensile force exerted by the cylinder AE is,
Comment Step 4 of 7
Applying the equilibrium condition




Comment Step 5 of 7
Applying the equilibrium condition




Comment Step 6 of 7
Free body diagram of the member BDF
Comment Step 7 of 7
Taking moment about F





Therefore, the compressive force exerted by the cylinder DG is,.
Comments (6)
