Energy Flashcards
(22 cards)
The energy a moving object has become of its motion.
Kinetic
Stored energy due to its position.
Potential
Energy stored by something that can stretch or compress.
Elastic Potential
Energy stored in chemical bonds.
Chemical Potential
Energy stored by objects due to their position above Earth’s surface.
Gravitational Potential
The total amount of potential and kinetic energy in a system.
Mechanical
States that energy cannot be created or destroyed.
Law of Conservation of Energy
The transfer of energy that occurs when a force makes and object move.
Work
The amount of work done in one second.
Power
A device that makes doing work easier.
Machine
The force applied to the machine.
Input Force
the force applied by the machine.
Output Force
The ratio of input and output Force.
Mechanical Advantage
Measure of how much of the work put into a machine is changed into useful output work by a machine.
Efficiency
Machine that does work with one movement.
Simple Machine
A bar that is free to pivot or move.
Lever
A grooved wheel with a rope.
Pulley
A simple machine consisting of a shaft or axle.
Wheel and Axle
A slopped surface such as a ramp.
Inclined Plane
An inclined plane wrapped in a spiral.
Screw
An inclined plane with one or more sloped sides.
Wedge
Two or more simple machines that work together.
Compound Machine