A: A.
the force with which a structure resists an external load placed on it
B: B.
always greater than the external load causing it
C: C.
opposite in direction to the external load causing it
举一反三
- Which of the following is not an external force of change?
- The internal force of any structure is zero if it is not subjected to external loads.
- The internal force of any structure is zero if it is not subjected to external loads. A: 正确 B: 错误
- Which forces belong to external forces(). A: spring force B: damper force C: actuator force D: gravity force
- 【单选题】以下窗体发生的先后顺序是_______ A. Initialize,Activate,Load B. Activate,Load,Initialize C. Load, Initialize ,Activate D. Initialize ,Load, Activate
内容
- 0
The marketplace is an external force of change.
- 1
When the medium is magnetized, the molecular magnetic moment inside the paramagnetic material turns to the opposite direction of the external magnetic field
- 2
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
- 3
When a vessel is inclined by an external force，the（）.
- 4
In the following cases, ( ) belongs to pure bending. A: The external loads act on the longitudinal symmetric plane of the member; B: The members are only bent without torsion and tension deformation; C: The load on the member is only concentrated couples; D: There is no shear force on each cross section of the member, and the bending moment is a constant.