The stability of a finite slope can be investigated by which of the following method?

The friction circle method assumes the failure surface as _______

A circle is considered to be a critical slip circle, if it has _______

The magnitude and distribution of pore water pressure on a slip surface can be calculated from _______

The factor K, in the radius of the friction circle(Kr sin φ) depends on ________

The failure of slopes may take place due to _______

The friction circle may be also referred as ______

In the limiting case of stability, the angle of slope is referred to as _________