6.30. The passage is 1.2 m wide normal to the paper. What will be the horizontal component of force exerted by the water on the structure?

5. A 13-m-high, 7-m-wide rectangular plate blocks the end of a 12m-deep freshwater channel, as shown in the figure. The plate is hinged about a horizontal axis along its upper edge through a point A and is restrained from opening by a fixed ridge at point B. Determine the force exerted on the plate by the ridge. I'm 12 m

Problem#2 A level scaffold is to be supported at the center of a 12-ft ladder, as shown below. 1. Determine the required length x 2. Determine the angle 0. Required length x 1. 4.53 2. 6.63 3. 3.56 4. 7.58 Angle 0 1. 36.4 2. 40.6 3. 56.4 4. 50.8 X 0 12' ladder - Scaffold 5'

5. DETERMINE THE EXTERNAL REACTIONS AT "A" AND "B" FOR THE THREE-HINGED ARCH SHOWN BELOW. A RAY 100k -30 ft- 20 ft 80k 20 ft -100 ft- 30 ft- 25 ft RBX