An ideal column is ( ) , made of ( ) material, and the load is applied through the ( ) of the cross section. A: initially perfectly straight, homogeneous, centroid B: perfectly straight, nonhomogeneous, centroid C: initially straight, homogeneous, any point D: straight, nonhomogeneous, centroid
An ideal column is ( ) , made of ( ) material, and the load is applied through the ( ) of the cross section. A: initially perfectly straight, homogeneous, centroid B: perfectly straight, nonhomogeneous, centroid C: initially straight, homogeneous, any point D: straight, nonhomogeneous, centroid
Where does the axis must pass through if the moments of areas of section with respect to an axis is zero。（ ） A: Centroid B: Centroid of mass C: Center D: Any point
Where does the axis must pass through if the moments of areas of section with respect to an axis is zero。（ ） A: Centroid B: Centroid of mass C: Center D: Any point
When member is subjected to the eccentric loads, the wrong description of neutral axis is ( ). A: The position of the neutral axis is independent of external forces and eccentricity B: The neutral axis and the point of the external force are on opposite sides of the cross section centroid respectively C: The neutral axis is related to the shape and size of the section D: The closer the external force point is to the centroid, the farther the neutral axis is from the centroid
When member is subjected to the eccentric loads, the wrong description of neutral axis is ( ). A: The position of the neutral axis is independent of external forces and eccentricity B: The neutral axis and the point of the external force are on opposite sides of the cross section centroid respectively C: The neutral axis is related to the shape and size of the section D: The closer the external force point is to the centroid, the farther the neutral axis is from the centroid
The area of section is A, the centroid is C and the moment of inertia of section with respect to the z axis is[img=14x22]1803a25ae5167bc.png[/img] , then [img=21x22]1803a25aee78117.png[/img] is .[img=185x110]1803a25af82e370.jpg[/img] A: [img=55x26]1803a25b03408a9.jpg[/img] B: [img=99x21]1803a25b0d903ef.jpg[/img] C: [img=71x53]1803a25b1883f79.jpg[/img] D: [img=85x56]1803a25b22f93d9.jpg[/img]
The area of section is A, the centroid is C and the moment of inertia of section with respect to the z axis is[img=14x22]1803a25ae5167bc.png[/img] , then [img=21x22]1803a25aee78117.png[/img] is .[img=185x110]1803a25af82e370.jpg[/img] A: [img=55x26]1803a25b03408a9.jpg[/img] B: [img=99x21]1803a25b0d903ef.jpg[/img] C: [img=71x53]1803a25b1883f79.jpg[/img] D: [img=85x56]1803a25b22f93d9.jpg[/img]