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คำศัพท์ช่างภาษาอังกฤษ - ไทยที่เกี่ยวข้องกับ "forces"

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Adsorption Water

(Concrete Engineering) Water held on surfaces in a material by either physical and/or chemical forces.

Couple:

(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.

Center of Gravity (CG):

(english) The location of the resultant of gravity forces on an object or objects: sometimes called center of mass.

Statically determinate:

(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.

Elastic Shortening

(Concrete Engineering) The shortening of a member in pre-stressed concrete which occurs on the application of forces induced by prestressing.

Moment:

(english) The resultant of a system of forces causing rotation without translation. A moment can be expressed as a couple.

Axial force:

(english) A system of internal forces whose resultant is a force acting along the longitudinal axis of a structural member or assembly.

Statically indeterminate:

(english) A statically indeterminate structure is one where there is more than one distribution of internal forces and/or reactions which satisfies equilibrium.

Equilibrium:

(english) An object is in equilibrium if the resultant of the system of forces acting on it has zero magnitude. See static equilibrium and dynamic equilibrium.

Shear:

(english) An system of internal forces whose resultant is a force acting perpendicular to the longitudinal axis of a structural member or assembly: sometimes called shear force.

Colloids

(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.

Pin support:

(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.

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