1
moving back and forth over and over again
2
moving back and forth in steady pattern
3
part of a machine which supports moving parts
4
a device that makes work either easier or faster to do
5
the turning force coming from an axle
6
a wheel with a grooved rim used with a belt, chain, or rope
7
the capacity to do work
8
the point around which something turns or rotates
9
rate or measure of motion
10
A member of a structure that is in compression
11
a bar that pivots about a fixed point when an effort is applied to it
12
a push or pull
13
a rod through the center of a wheel, or through different parts of a cam
14
a toothed wheel or cog
15
the way gears contact each other by fitting together
16
a non-circular wheel that rotates and moves a follower
17
any force a structure is calculated to oppose
18
a triangular sail at the very front of a sailing boat.
