Work It
When a force causes an object to move away from Earth's surface.
Work
The ability to do work.
Energy
The six most basic machines.
Simple Machines
Law that states that energy cannot be created or destroyed.
Law of Conservation of Energy
Potential energy contained in atomic nuclei.
Nuclear
The rate at which work is done or energy is used.
Power
Potential energy of an object that is above Earth's surface.
Gravitational
A machine that combines two or more simple machines.
Complex Machine
Small parts of the universe.
Systems
Energy that comes from the interactions between atoms and molecules.
Nonmechanical Energy
The force we apply.
Input Force
The amount of work something can do because of its kinetic and potential energies.
Mechanical Energy
The lever with the input force in the middle.
Third-Class Lever
A measure of how much useful work a machine can do.
Efficiency
Energy stored in the bonds of substances.
Chemical
The force the machine applies.
Output Force
The energy an object has because it is moving.
Kinetic Energy
The lever with the fulcrum in the middle.
First-Class Lever
A machine that will keep going forever without any input of energy.
Perpetual Motion Machine
Energy which comes from the movements of charged particles.
Electrical
This describes how much a machine multiplies force or distance.
Mechanical Advantage
Potential energy from an object being stretched or compressed.
Elastic
The lever with the output force in the middle.
Second-Class Lever
The study of how energy moves during different processes.
Thermodynamics
The energy an object has because of its position or shape.
Potential Energy