A physical force presses inward on an object, causing it to become compacted.

The force that is transmitted through a cable, rope, wire or string when it is pulled tight by forces acting from opposite ends.

A dynamo or similar machine for converting mechanical energy into electricity.

A force with its resultant passing through the centroid of a particular section and being perpendicular to the plane of the section. A force in a direction parallel to the long axis of the structure.

A sketch that shows an object's height, width, and depth in a single view.

A tool for systematically ranking alternatives according to a set of criteria.

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.

Energy in transit due to a temperature difference between the source from which the energy is coming and a sink toward which the energy is going.

Changing one form of energy to another.

A measure of how easily a material can be twisted.

A part of a design brief that challenges the designer and describes what a design solution should do without describing how to solve the problem, and identifies the degree to which the solution must be executed.

A mechanical property of a material that shows how effective the material is absorbing mechanical energy without sustaining any permanent damage.

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 modulus of elasticity, tensile strength, and fatigue limit.

A machine for producing power in which a wheel or rotor is made to revolve by a fast-moving flow of water, steam, gas, or air.

Changes one form of power to another.

Energy caused by the movement of light waves.

Stages a product goes through from concept and use to eventual withdrawal from the marketplace.

Creating, designing, and transmitting technical information so that people can understand it easily and use it safely, effectively, and efficiently.

The recognized accreditor for college and university programs in applied science, computing, engineering, and technology.

A general agreement.

A systematic problem-solving strategy, with criteria and constraints, used to develop many possible solutions to solve a problem or satisfy human needs and wants and to winnow (narrow) down the possible solutions to one final choice.

The law stating that the stress of a solid is directly proportional to the strain applied to it.

zeroth law of thermodynamics

first law of thermodynamics

second law of thermodynamics

third law of thermodynamics

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 properties to the whole; especially, a structural material made of plastic within which a fibrous material (as silicon carbide) is embedded.

An energy source that will never run out.

The law that heat is a form of energy, and the total amount of energy of all kinds in an isolated system is constant; it is an application of the principle of conservation of energy. Also known as conservation of energy.

A part of the physical world as described by its thermodynamic properties such as temperature, volume, pressure, concentration, surface tension, and viscosity

A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system.

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, or elaboration.

A result of a force moving an object a certain distance.

The ratio of the magnitude of the resistance and effort forces applied to a system

A collection of individuals, each with his or her own expertise, brought together to benefit a common goal.

Machining a surface to size with a fine feed produced in a lathe, milling machine, or grinder.

A body subjected to a push.

Individual fuel cells that are combined in series.

point at which the deformation is no longer directly proportional to the applied force. Hooke's Law no longer applies.

The resistance that one surface or object encounters when moving over another.

The resultant of a system of force is the vector sum of all forces.

The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force.

The function of the state of a thermodynamic system whose change in any differential reversible process is equal to the heat absorbed by the system from its surroundings divided by the absolute temperature of the system.

Stages a product goes through from concept and use to eventual withdrawal from the market place.

Ratio of distance traveled by the applied effort and resistance force within a system.

Energy which a body possesses by virtue of being in motion.

If one body exerts a force on a second body, then the second body exerts a force on the first body which is equal in magnitude, opposite in direction, and collinear.

A measure of thermal transmittance through a material.

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.

A support that only prevents a beam from translating in one direction.

Operational techniques necessary to satisfy all quality requirements; includes process monitoring and the elimination of root causes of unsatisfactory product or service quality performance.

The ratio of the increment of some specified form of stress to the increment of some specified form of strain, such as Young's modulus, the bulk modulus, or the shear modulus. Also known as coefficient of elasticity, elasticity modulus, elastic modulus.

A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit.

Any of various elementary mechanisms including the lever, wheel and axle, pulley, inclined plane, wedge, and screw.

The condition or quality of being true, correct, or exact; precision; exactness.

A resource that cannot be replaced once used.

The direction of the vector relative to its path and indicated by the location of the arrow.

Maximum stress that a material will withstand without permanent deformation.

A support that prevents translation in any direction.

The ratio of actual strength to required strength.

Every body or particle continues at a state of rest or uniform motion in a straight line, unless it is compelled to change that state by forces acting upon it.

Plant materials and animal waste used especially as a source of fuel.

Systems that do not make use of any externally powered, moving parts, such as circulation pumps, to move heated water or air.

resource that can be replaced when needed.