Energy
The ability to do work
Kinetic energy
The energy contained in moving objects
Potential energy
The energy that is stored by the way of objects position chemical makeup or elasticity
Work
The measure of the energy transferred when a force is applied to an object that causes it to move and at least part of that force is in the direction of the movement
No renewable resource
A resource that can't be replaced once it is used or can be replaced only over long periods of time
Renewable resource
A resource that os constantly available or that can be replaced in a relatively short period of time
Effort force
The force needed to do the same work with a machine
Machine
A device that makes work easier by changing the size or direction of a force
Mechanical advantage
A measure of how much a machine increases a force applied to it
Power
The amount of work done or energy provided in a period of time
Resistance force
The force needed to do work without a machine
Efficiency
A measure of the amount of useful work done by the machine compared with the amount of work done to make the machine operate