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Simple Machines
Term | Definition |
---|---|
force | exerting pressure or influence over object or substance |
friction | the act of a surface or an object rubbing against each other |
fulcrum | the support on which a lever turns or is helped in moving or lifting something |
inclined plane | a plank or plane surface put at an angle to a horizontal surface |
lever | a bar which rests on a fulcrum |
load | amount of work a machine is expected to perform |
machine | any device that applies or changes the direction of power force, or motion |
axle | bar on which a wheel turns |
power | strength or force that can be exerted on other bodies |
pull | to move, usually with force or effort |
pulley | a wheel that ha a groove in the rim where a rope can run and change the direction of the pull |
push | to pus something away by pressing against it |
screw | cylinder with a ridge winding around it |
spring | something that produces action, a moving force |
tool | an instrument of work |
torque | a force that causes rotation |
wedge | to force an opening |
wheel | a round frame that turns on a bpin or shaft in its middle |
work | an effort in doing or making something |