Ch.4 Sec. 2 Flashcards
(7 cards)
Energy
The ability to cause change, measured in joules.
The changing ability and is measured in joules
Ex. Racket and ball
System
Region or set a regions around which about laundry can be defined.
Boundary defined by regions or just one
Ex. Tennis ball, solar system
Kinetic Energy
Energy due to motion
Motion energy
Ex. Ballet Dancer leaping
Potential Energy
Energy that is stored due to the interactions between objects.
Energy stored because of the interactions between objects
Ex. Apple on a tree on earth
Elastic Potential Energy
Energy that is stored by compressing or stretching an object
Energy saved from compressing or stretching an object
Ex. Rubber band being shot
Chemical Potential Energy
Energy that is due to chemical bonds
Energy from chemical bonds
Ex. Something burning
Gravitational Potential Energy
Energy that is due to the gravitational forces between objects
Energy from gravitational force between objects
Ex. Green jar and a blue are three shelves apart from each other but in the same spot. But they have the same gravitational force.
