(MULTIPLE CHOICE ONLY)STATIC OF RIGID BODIES) 1. Determine the second moment of area for the rectangular section with respect to the base of the rectangle.π a. bhᶾ/12 b. bᶾh/12 c. bhᶾ/3 d. bᶾh/3 2. Determine the second moment of area for the rectangular section with respect to an axis through the centroid parallel to the base. a. bhᶾ/12 b. bᶾh/12 c. bhᶾ/3 d. bᶾh/3 3. Determine the second moment of area for the circle with respect to a diameter of the circle. a. πR⁴/4 b. πR⁴/8 c. πR⁴/16 d. πR⁴/24
(MULTIPLE CHOICE ONLY)STATIC OF RIGID BODIES)
1. Determine the second moment of area for the rectangular section with respect to the base of the rectangle.π
a. bhᶾ/12 b. bᶾh/12 c. bhᶾ/3 d. bᶾh/3
2. Determine the second moment of area for the rectangular section with respect to an axis through the centroid parallel to the base.
a. bhᶾ/12 b. bᶾh/12 c. bhᶾ/3 d. bᶾh/3
3. Determine the second moment of area for the circle with respect to a diameter of the circle.
a. πR⁴/4 b. πR⁴/8 c. πR⁴/16 d. πR⁴/24
Situation: Problem 4,5 & 6
•A tee section is made up of a 30 mm x 150 mm flange and a 30 mm x 160 mm web.
4. Which of the following most nearly gives the area of the section in square mm.
a. 9000 b. 9300 c. 9500 d. 8700
5. Which of the following most nearly gives the location of the neutral axis from the bottom of top
of the flange.
a. 64 mm b. 68 mm c. 51 mm d. 84 mm
6. Which of the following most nearly gives the moment of inertia with respect to the centroidal x-
axis in million (1 x 10⁶).
a. 21.84 mm⁴ b. 27.45 mm⁴ c. 54.21 mm⁴ d. 31.54 mm⁴
Situation: Problem 7 to 10
For the angular section 125 mm x 75 mm x 10 mm.
7. Which of the following most nearly gives the location of the centroid from the X – axis.
a. 17.1 mm b. 17.8 mm c. 18.3 mm d. 17.3 mm
8. Which of the following most nearly gives the location of the centroid from the ƴ – axis.
a. 41.2 mm b. 42.8 mm c. 43.5 mm d. 40.5 mm
9. Which of the following most nearly gives the moment of inertia with respect to x-axis.
a. Ix = 6.13 x 10⁶mm⁴ b. Ix=6.53 x 10⁶mm⁴ c. Ix = 6.73 x 10⁶mm⁴ d. Ix=6.93 x 10⁶mm⁴
10. Which of the following most nearly gives the products of inertia Ixy.
a. Ixy=593.99 x 10ᶾmm⁴ b. Ixy=723.87 x 10ᶾmm⁴ c. Ixy=518.65 x 10ᶾmm⁴ d. Ixy = 528.75 x 10ᶾmm⁴
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