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Movement of energy from one place or object to another.
The conversion of one form of energy into another.
When work is done on an object, _______ is transferred to that object.
An influence tending to change the motion of a body or produce motion or stress in a stationary body; an example of a vector quantity
a force that acts between two surfaces in contact with each other.
An attractive force between any two objects that depends on the masses of the objects and the distance between them.
Energy of motion. Depends on mass and velocity. [KE = (1/2)mv] SI unit Joules
A quantitative measure of the inertia of an object
Objects that interfere with the forward motion of a moving object.
atoms or molecules
ability to do work as a result of position or shape of an object
The distance traveled by a body per unit of time.
The force of gravity acting on a mass.
energy that an object has because of its motion or its position; an object equals the sum of its potential energy and its kinetic energy
Types of Potential Energy
A portable, self contained electrochemical power source that consists of one or more voltaic cells
Book on a shelf
Electrons in an electric current
cycles per second
a rapid back and forth movement of an object
How high or low a sound seems to a listener
A measure of space (lwh)
the study of how materials affect sound waves
visible light, radio waves, gamma rays, microwaves, infrared rays, and x- rays
Humans can see; middle of the electromagnetic spectrum
occurs when light waves bounce off a surface
the bending of a ray of light
part of eye that focuses light
Height of wave
(A) length of the electric field at wave maximum
Dip in wave
the distance between 2 crests or 2 troughs of 2 waves
Squirting oil into door hinges will increase friction.
Tight/condensed up and down