If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by

If S, L and R are the arc length, long chord and radius of the sliding

1.	If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by
A.	<img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-1.png">
B.	<img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-2.png">
C.	<img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-3.png">
D.	none of these.
Answer» B. <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-2.png">