NOCTI-Engineering Technology Foundations- Engineering Principles
Force - a push or pull on an object
simple machine - one of the six basic types of machines, which are the basis for all other forms of
machines
lever - A simple machine that consists of a rigid bar that pivots about a fixed point.
wedge - a simple machine that is an inclined plane that moves
screw - A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral
inclined plane - a slanted surface along which a force moves an object to a different elevation
Pulley - A simple machine that consists of a rope that fits into a groove in a wheel
wheel and axle - Two different sized circular objects that are attached together and turn as one.
gears - two or more wheels linked together by interlocking teeth
Speed - The distance an object travels per unit of time
circumference - The distance around a circle
Angular Velocity - the rate of change of angular position of a rotating body
motor - movement
