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simple machine vocab
Term | Definition |
---|---|
force | Exerting pressure or influence over object o 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 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 wit 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 b pressing against it |
screw | cylinder with a ridge winding around it. it's 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 | an effort in doing or making something |