A precast concrete beam of length L is to be lifted by a single sling and has one end resting on the ground. Show that the optimum position for the sling is 0.29 m from the nearest end.
A precast concrete beam of length L is to be lifted by a single sling and has one end resting on the ground. Show that the optimum position for the sling is 0.29 m from the nearest end.