Machines 기계 관련 단어 영영풀이

[Machines 기계 관련 단어 영영풀이]

 

motor

noun : a machine or engine that creates power for doing work

slope

noun : an upward or downward slant

tool

noun : an object or device that makes a job or task easier

wheel

noun : a round object that turns around a central point

 

axle

noun : a bar around which a wheel or wheels revolves

complex machine

noun : any device made up of more than one simple machine; a compound machine

earthmover

noun : a very large complex machine used to dig, push, or move large quantities of earth

excavator

noun : a large complex machine that removes dirt from the ground, either at a building site or to locate underground resources

force

noun : the strength or energy that moves an object

friction

noun : the force that builds up when two objects rub against each other

gear

noun : the part in an automobile or bicycle that connects the engine or pedals to the wheels and controls the speed at which they turn

gear

noun : a toothed wheel that is part of a machine; a type of simple machine

lever

noun : a simple machine with a rigid bar that pivots around a fulcrum

load

noun : something that is lifted or carried

machine

noun : any device that uses energy to help a person do work

mechanics

noun : the details of how something operates

pedals

noun : parts of a bicycle that one pushes in a circle with one's feet to make the bike move forward

pulley

noun : a circular lever, usually a wheel with a rope around it; a type of simple machine

ramp

noun : a sloped path used to move things between a lower level and a higher level

screw

noun : an inclined plane wrapped around a rod, often used to hold things together; a type of simple machine

simple machine

noun : any basic device that works with the use of a single force

wedge

noun : a simple machine with one narrow or pointed end and one wide end; used to separate two objects or parts

work

noun : the act of using force to move something over a certain distance

 

block and tackle

noun : a group of two or more pulleys

first-class lever

noun : a lever in which the fulcrum is between the force and the object being lifted

fulcrum

noun : the point around which a lever pivots or turns

inclined plane

noun : a slanted surface that makes it easier to move an object between a lower level and a higher level; a type of simple machine

Rube Goldberg machine

noun : a machine named for the creator of a comic-strip character who invented very complex machines to do simple tasks

second-class lever

noun : a lever in which the load is between the force and the fulcrum

third-class lever

noun : a lever in which the force is between the fulcrum and the load

wheel and axle

noun : a round object that turns around a pin or pole; a type of simple machine