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(Concrete Engineering) Water held on surfaces in a material by either physical and/or chemical forces.
(english) Equilibrium which includes inertial forces.
แรงภายใน
(english) The location of the resultant of gravity forces on an object or objects: sometimes called center of mass.
(english) In two dimensions, a pin support restrains two translation degrees of freedom but does not restrain rotation. When considering reaction forces, a pin support is usually considered to have two force components: one each about the x and y axes respectively.
(english) A statically indeterminate structure is one where there is more than one distribution of internal forces and/or reactions which satisfies equilibrium.
(english) The resultant of a system of forces is a single force or moment whose magnitude, direction, and location make it statically equivalent to the system of forces.
(ฟิสิคส์) กำลังในทิศทางตรงกันข้ามที่สมดุลยกัน
(Environmental Engineering) Small particles which have a negligible settling velocity. These particles have a very small mass so gravitational force is low compared to surface frictional forces. Typical colloidal sizes range from 10-3 mm to 1 mm.
(english) A system of forces composed of two equal forces of opposite direction, offset by a distance. A couple is statically equivalent to a moment whose magnitude equals the magnitude of the force times the offset distance.
(english) A system of internal forces whose resultant is a moment. This term is most commonly used to refer to internal forces in beams.
(english) A statically determinate structure is one where there is only one distribution of internal forces and reactions which satisfies equilibrium. In a statically determinate structure, internal forces and reactions can be determined by considering nothing more than equations of equilibrium.