Water (at 50°F) flows in the 90° horizontal bend at a rate of 12 cfs and discharges into the atmosphere past the downstream flange. The pipe diameter is 1 ft . What force must be applied at the upstream flange to hold the bend in place? Assume that the volume of water downstream of the upstream flange is 3 ft ³ and that the bend and pipe weigh 100 lbf. Assume the pressure at the inlet section is 6 p_sig.