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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 |
Falcrum | the support on which a lever turns or is helped in moving or lifting something |
Inclined plane | a plank or plane surface put an angle to a horizontal surface |
Lever | A bar which rests on a falcrum |
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 has a groove i the rim where a rope can run and change the direction of the pull |
push | to move something away by pressing against it |
screw | cylinder with a ridge winding around it . its simple machine |
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 pin or shaft in its middle |
work | an effort in doing or making something |