Machines		anything which occupies space, has substance, and under ordinary conditions
Pulley		the force we apply to a machine
Resistance		the rate of doing work
Power		the english measurement for weight
Matter		the energy of motion
Solid		the amount of space a substance occupies
Fulcrum		the metruc unit for weight
Distance		the pivot point upon which the beam rests
Adhesion		the distance covered by a moving object in a unit of time
Physics		devises for doing work
Atom		a measurement to determine how far something has moved
Effort		a definite shape and occupies a definite amount of space
Resistance arm		the ability to do work
Velocity		a quantity of matter
Lever		a measurement of the pull of gravity upon an object
Potential		the attraction which allows molecules of a different kind of matter to stick together
Joule		the movement of an object by a force
Pound		the metric unit of work and energy
Wedge		a sloping platform that enables anything to move to a higher position
Newton		one of the versatile of a simple machine
Inertia		a measurement to determine an object's motion
Kinetic		the attraction that allows molecules of th same kind of matter to stick together
Cohesion		stored up energy
Mass		the mass per unit volume of a substance
Foot-pound		the resistance caused by moving one object against another
Energy		the resistance is moved at the other end
Force		the most basic unit of a substance
Work		the pushing or pulling action of one object upon another
Speed		the tendency of matter to stay at rest if at rest, or to continue moving at a constant velocity in motion
Inclined plane		a simple machine consisting of a grooved wheel
Effot arm		the english unit of work and energy
Density		a special kind of inclined plane that modifies force and changes its direction to the sides
Weight		the study of matter and energy
Friction		th force the machine helps us overcome
Volume		the effort is applied at one end