Consider the structure shown in (Figure 1). Suppose that F = 2500 N. Figure 0.2 m 1500 N 0.2 m 30% 0.2 m B -0.2 m-0.2 m- F Part A Determine the resultant couple moment. Express your answer to three significant figures and include the appropriate units. Enter positive value if the moment is counterclockwise and negative value if the moment is clockwise. ΜΑ ? 1 of 1 MR = 2.85 kN⚫m √30° 1500 N AUG 16 Submit Previous Answers Request Answer Incorrect; Try Again; 28 attempts remaining Provide Feedback Next > A W 20 Aa

Example The 30-N force P is applied perpendicular to the portion BC of the bent bar. Determine the moment of P about point B and about point A. Ans: Mb= 48 N.m Ma= 81.941 N.m P = 30 N 1.6 m 45° B 1.6 m

Q2. Write the flexibility matrix corresponding to coordinates 1 and 2 for the structures shown. 13 ans: l 4 11 3 [16 51 6EI 126EI 5 2 (a) A -1- 2 (b) A B Constant EI 2

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Q1: Compute the missing measurement of the lines AB & CD (using trigonometric method), and the coordinates of closed loop traverse ABCD as shown in the figure below. C 20 (due N) N 73° 18' E B S 41° 12' E མམ་བ A (100, 100) D 60 (due W)

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Name: Q.1 select the lightest W12 shape for column AB that support a service dead and live loads Po-150k and P-200k as shown in Figure. The beams and columns are oriented about the major axis and the columns are braced at top and mid-height using pinned end connections for out of plane buckling. ASTM A992 steel is used. Select the suitable answer below: I U B 8.00 All dimensions in feet 30.00 W18.76 8091 B P