POE Key Terms

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DefinitionTerm/Answer
Machining a surface to size with a fine feed produced in a lathe, milling machine, or grinder.
Those properties of a material that reveal the elastic and inelastic reaction when force is applied, or that involve the relationship between stress and strain; for example, the mo
A plate or bracket fro strengthening an angle in framework.
Crude or processed material that can be converted by manufacture, processing, or combination into a new and useful product; something with a potential for improvement, development,
A support that only prevents a beam from translating in one direction.
A structure or body which is over-constrained such that there are more unknown supports than there are equations of static equilibrium.
Stages a product goes through from concept and use to eventual withdrawawl from the market place.
The turning effect of a force about a point equal to the magnitude of the magnitude of the force times the perpendicular distance from the pont to the line of action from the force
If one body exerts a force on a second body, then the second body exerts a force on the body and is in the direction of the net force.
A method of analyis of trusses which constructs free body diagrams of each joint and determines the forces acting in that joint by considering equilibrium of the joint pin.
A tool for systematically ranking alternatives according to a set of criteria.
Slender straight pieces of a truss connected by joints.
The resultant of a system of a force is the vector sum of all forces.
Produced by the combining of parts or elements to form a a whole, rather than of natural origin; not real, artificial.
Of or relating to the manufacture of any product (as earthenware, porcelain, or brick) made essentially from a nonmetallic mineral (as clay) by firing at a high temperature.
A body subjected to a pull.
A process that changes the size and shape of a material by a combination of force and a shaped form.
The connection points of member of a truss.
A strong rope, usually made of metal, designed to have great tensile strength and to be used in structures.
A phyisical quantity that has magnitude only.
Any of various opaque, fusible, ductile, and typically lustrous substances thare good conductors of electricity and heat.
A truss that lies in a single plane often used to support roofs and bridges
Something made up of interdependent parts in a definite pattern of organization, such as trusses, frames, or machines.
A systemized body of laws; a set of principles, as of ethics.
A diagram used to isolate a body from its enviroment, showing all external forces acting upon it.
DefinitionTerm/Answer
To make into a product suitable for use; to make from raw materials by hand or by machinery; to produce according to a organized plan and with division of labor.
A support that prevents translation in any direction.
A quantity that has both a magnitude and direction.
A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity.
A mathematical property of a cross section that is concerned with a surface area and how that area is distributed about a centoidal axis.
The sense of a vector is the direction of the vector relative to its path and indicated by the location of the arrow.
The process of creating an object by adding small pieces or layers together to make a final product.
The change of motion of the body is proportional to the net force imposed on the body and is in the direction of the net force.
Solid material which is composed of two or more substances having different physical characteristics and in which each substance retains its identity while contributing desirable
A support that prevents translation and rotation in a beam.
Every body or particle continues at a state
Processes that remove material to change the size, shape, or surface of a part. There are two groups of separating processes: machining and shearing.
Anything for which a person is legally bound or responsible
A force system where all of the forces are applied at a common point on the body or having thier lines of action with a common intersection point.
A body subjected to a push.
A truss composed of triangles which will retain its shape even when removed from supports.
Properties other than mechanical properties that pertain to the physics of a material and can usually be measured without the application of force.
The absolute value of a number.
Returning to an original condition, The extraction and recovery of valuable materials from scrap or other discarded materials.
A broad ridge or pair of ridges projecting at a right angle from the edge of a structural shape in order to strengthen or stiffen it.
A surface or shape exposed by making a straight cut through something at right angles to the axis.
Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
The elements, constituents, or substances of which something is composed or can be made; matter taht has qualities which give it individuality and by which it may be categorized.
The geometric center of an area.
The direction of a vector is defined by the angle between a reference axis and the arrow's line of direction.

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