Situation 3. The structure shown is acted upon the two forces and a couple as shown. 12. Which of the following gives the first moment of the area with respect to the x and y axes? a. Q, = 299707.99 mm, Q,= 249530.99 mm b. Q, = 164707.99 mm', Q,= 384530.99 mm c. Q. = 384530.99 mm', Q,= 164707.99 mm d. Q. = 249530.99 mm', Q,= 299707.99 mm 13. Which of the following gives the coordinates of the centroid of the area? 60 m 60 mm c. (31.24 mm, 72.93 mm) d. (72.93 mm, 31.24 mm) a. (56.84 mm, 47.33 mm) b. (47.33 mm, 56.84 mm) 14. Which of the following gives the moment of inertia of the area with respect to a centroidal axis parallel to the given y-axis? a. 6275933.10 mm b. 5178994.59 mm c. 7822008.93 mm d. 4444962.54 mm
Situation 3. The structure shown is acted upon the two forces and a couple as shown. 12. Which of the following gives the first moment of the area with respect to the x and y axes? a. Q, = 299707.99 mm, Q,= 249530.99 mm b. Q, = 164707.99 mm', Q,= 384530.99 mm c. Q. = 384530.99 mm', Q,= 164707.99 mm d. Q. = 249530.99 mm', Q,= 299707.99 mm 13. Which of the following gives the coordinates of the centroid of the area? 60 m 60 mm c. (31.24 mm, 72.93 mm) d. (72.93 mm, 31.24 mm) a. (56.84 mm, 47.33 mm) b. (47.33 mm, 56.84 mm) 14. Which of the following gives the moment of inertia of the area with respect to a centroidal axis parallel to the given y-axis? a. 6275933.10 mm b. 5178994.59 mm c. 7822008.93 mm d. 4444962.54 mm
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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