- Atmospheric pressurethe pressure exerted by the atmosphere
- Automation
the act of implementing the control of equipment - Automaton
a mechanism that can move independently of external control - Beltloop of flexible material between rotating shafts or pulleys
- Combustion
a reaction of a substance with oxygen to give heat and light - Composite
consisting of separate interconnected parts - Compression
an increase in the density of something - Compressora mechanical device that compresses gasses
- Conduction
the transmission of heat or electricity or sound - Convection
transfer of heat caused by molecular motion in liquid or gas - Cranka hand tool consisting of a rotating shaft with a parallel handle
- Cylinder
a chamber within which a piston moves - Deformationalteration in the shape or dimensions of an object as a result of the application of stress to it
- Dynamics
mechanics concerned with forces that cause motions of bodies - Efficiency
the ratio of the output to the input of any system - Elasticity
the tendency of a body to return to its original shape - Elongationthe act of lengthening something
- Energy
the capacity of a physical system to do work - Engine
motor that converts energy into work or motion - Entropy
energy in a system no longer available for mechanical work - Factor of safetythe ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
- Fatigue
a weakened state caused by long stress on a material - Filter
device that removes something from what passes through it - First law of thermodynamicsthe fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
- Flow ratethe amount of fluid that flows in a given time
- Friction
the resistance when a body is moved in contact with another - Fuel
a substance that can be consumed to produce energy - Fulcrum
the pivot about which a lever turns - Gear
a toothed wheel that engages another toothed mechanism - Grindermachinery that processes materials by grinding or crushing
- Heat
a form of energy transferred by a difference in temperature - Hydraulicsstudy of the mechanics of fluids
- Inclined planea simple machine for elevating objects
- Inelastic
not able to resume shape after stretching or compression - Internal combustionthe combustion of fuel inside a cylinder
- Joule
a unit of electrical energy - Kinetic energy
the mechanical energy that a body has by virtue of motion - Lathe
a machine tool for shaping a piece of rotating wood or metal - Lever
a simple machine giving a mechanical advantage on a fulcrum - Lubricatora substance capable of reducing friction by making surfaces smooth or slippery
- Machine
a mechanical or electrical device that transmits energy - Machinery
mechanical or electrical devices collectively - Manufacturingthe act of making something (a product) from raw materials
- Material
the substance that goes into the makeup of a physical object - Mechanical advantagethe ratio of the force exerted by a machine to the force applied to it
- Mechanical engineeringthe branch of engineering that deals with the design and construction and operation of machinery
- Mechanism
device consisting of a piece of machinery - Milling machinemachine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
- Modulus of elasticity(physics) the ratio of the applied stress to the change in shape of an elastic body
- Moment
a turning force produced by an object acting at a distance - Momentum
the product of a body's mass and its velocity - Motion
the act of changing location from one place to another - Nanotechnology
engineering that involves manipulating atoms and molecules - Piston
mechanical device that has a plunging or thrusting motion - Pneumaticsthe branch of mechanics that deals with the mechanical properties of gases
- Potential energy
energy stored by a body or system by virtue of its position - Power
(physics) the rate of doing work - Pressure
the exertion of force to a surface - Projectile
impelling or impelled forward - Pulley
a wheel with a groove in which a rope can run - Pump
a device that moves fluid or gas by pressure or suction - Quality controlmaintenance of standards of quality of manufactured goods
- Radiation
energy transmitted in the form of rays or waves or particles - Raw materialmaterial suitable for manufacture or use or finishing
- Reliability
the quality of being dependable - Reservoir
tank used for collecting and storing a liquid - Resilience
ability of a material to return to its original shape - Screwa simple machine of the inclined plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole
- Second law of thermodynamicsa law stating that mechanical work can be derived from a body only when that body interacts with another at a lower temperature; any spontaneous process results in an increase of entropy
- Simple machinea device for overcoming resistance at one point by applying force at some other point
- Speed
a rate at which something happens - Sprockettooth on the rim of gear wheel
- Staticsthe branch of mechanics concerned with forces in equilibrium
- Strain
deformation of a body under the action of applied forces - Stress
(physics) force that produces strain on a physical body - Synthetic
not of natural origin; prepared or made artificially - Tensile strengththe strength of material expressed as the greatest longitudinal stress it can bear without tearing apart
- Tension
a stress that produces an elongation of a physical body - Thermodynamics
physics concerned with heat and other forms of energy - Torque
a twisting force - Toughnessthe elasticity and hardness of a metal object
- Transmission linea conductor for transmitting electrical or optical signals or electric power
- Valve
a mechanical device for controlling the flow of a fluid - Variance
the quality of being subject to change - Velocity
distance traveled per unit time in one direction - Viscosity
resistance of a liquid to flowing - Volume
the amount of 3-dimensional space occupied by an object - Wedge
something solid that can be pushed between two things - Wheel and axlehoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
- Worka manifestation of energy
- Zeroth law of thermodynamics
the law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other
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