Question

2.92 The dam shown in Fig. P2.92 is 200 ft long and is made of concrete with a specific gravity of 2.2. Find the magnitude and y coordinate of the line of action of the net horizontal force. 20 Headwater 1? | 60 Tailater 20 40' Figure P2.92

Answers : 2.0 x 10^7

2.17 ft above base

I am really confused with calculating the location. i know how to calculate forces

Thanks

Answer 1