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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 a 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 of other bodies |
pull | to move usually with force or effort |
pulley | a wheel that has a groove in 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 a 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 | and effort in doing or kingmaker something |