Q3/ If the section of the Dam is as shown below. What is the area of the section in (m²), if the scale was (1:250). 20 cm 15 cm 12 cm 10 cm

A wooden beam is loaded by a distributed load w = 6 N/mm as shown in Figure Q4(a). The cross-section of the beam is shown in Figure Q4(b). Assume that LAB = 1900 mm, LBC = 3100 mm, W=200 mm, B0 = 30 mm, and H = 200 mm, h0=20 mm.  Units: use N, mm, MPa as consistent units for all calculations.

Problem 10.28 Consider the channel shown in (Figure 1). Suppose that a = 370 mm, b = 210 mm, c = 50 mm. Figure 1 of 1 Part A Determine the location of the centroid of the channel's cross-sectional area. Express your answer to three significant figures and include the appropriate units. y = Submit Part B li μА Ig' = Value Submit My Answers Give Up Units Determine the moment of inertia of the area about this axis. Express your answer to three significant figures and include the appropriate units. μА Value Units p My Answers Give Up ? ? Provide Feedback Continue

The cross section of the rim of an iron flywheel (S+3) ft. In diameter is a triangle 12" by 3". How much does the rim weigh? Note: Iron weighs 450lb/cu ft. S=10