The highest and lowest vertices of a diagonal of a square lamina (each side equal to 4m) are 1 m and 3 m respectively as shown. What will be the water force (in kN) on the lamina?

The highest and lowest vertices of a diagonal of a square lamina (eac

1.	The highest and lowest vertices of a diagonal of a square lamina (each side equal to 4m) are 1 m and 3 m respectively as shown. What will be the water force (in kN) on the lamina?
A.	78
B.	118
C.	157
D.	196
Answer» D. 196