Question

The cross section has an area of 0.25500 m2. The centroidal x-axis is located 0.18056 m above the base of the cross section. a) Determine the moment of inertia of the cross section about the centroidal x'axis. b) Determine the moment of inertia of the cross section about the axis along the base of the cross section. 0.4 m 0.05 m 0.3 m 0.2 m 0.2 m 0.2 m 0.2 m

Answer 1

Paul a x' 10.0277 sana 10.06944 1 0:15550 Moment of inentia 21 0.2 x 0.43 It + Š x0.40.2* 080272 about cenboidal & aur 36 2 0.3 X 0.40 I 0.3x0.48x 0.06944 + 12 2 hi 10.05% 10.0 + + 0.05x11* 0.15556 12 T 1.104232 71 4

Part ! "I AA I 1023 0.025m Moment of inentia about base I have 0.23 0.42 + 5x D:2x0.440 1 *0.18939 36 f 2004 (0.5x0.45 2.252) * *0.69'. 0-851x625) + 0.3 x0.4 * 0.25 1 -base 0.012 545 m4

Moment of inertia about centroidal axis and base were found