A ground retaining wall is shown in Fig. 9-36a. The ground, particularly when wet, can exert a

Question:

A ground retaining wall is shown in Fig. 9-36a. The ground, particularly when wet, can exert a significant force F on the wall.
(a) What force produces the torque to keep the wall upright?
(b) Explain why the retaining wall is Fig. 9-36b would be much less likely to overturn than that if Fig. 9-36a..

(b) (a)