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3rd 6 Wks Vocab
Simple Machines
Vocabulary Word | Definition |
---|---|
system | a group of parts that work together |
machine | a tool that makes work easier |
lever | a straight bar that moves on a fixed point |
pulley | a simple machine that uses a wheel and rope |
wheel and axle | a wheel that turns on a post |
inclined plane | a flat surface that is raised at one end |
screw | an inclined plane wrapped into a spiral |
wedge | two inclined planes placed back to back |
force | a push or pull applied to matter |
work | when force changed the motion of an object |
fulcrum | the point that a lever rests on |
load | the object trying to be moved |
axle | a post the wheel turns on |