Vocab Flashcards
(25 cards)
Speed
The rate at which someone or something is able to move or operate
Acceleration
Increase in the rate or speed of something
Velocity
The speed of something in a given direction
Friction
The resistance that one surface or object encounters when moving over another
Mass
The quantity of matter in a body regardless of its volume or of any forces acting on it
Weight
The gravitational force between an object and the earth
Force
An interaction that causes an affected object to be pushed or pulled in a certain direction
Gravity
The force that attracts a body towards the center of the earth
Gravitational force
A phenomenon where all things with mass or energy are brought towards
Motion
The act of process of moving or being moved
Power
The amount of energy transferred unit time; the rate of doing work
Energy Transformation
The transfer of one form of energy to another
Conservation of energy
The law that states energy can not be created nor destroyed
Work
A transfer of energy
Vector
A quantity that has both magnitude and direction
Scalar quantity
A physical quantity that only has magnitude and no other characteristics
Kinetic energy
Energy that a body possesses in virtue of being in motion
Potential energy
Stored energy that is caused by a body’s position
Thermal energy
Energy that comes from heat
Heat vs temperature
An object total amount of heat in its molecules versus its average heat and thermal energy
Absorption
The way in which the energy of a photon is taken up by matter
Insulation
Material that is used to stop the passage of electricity, heat, or sound from one conductor to another
Conduction
The movement of something such as heat or energy, through a medium or passage
Specific heat
The heat needed to raise the temperature of one gram of a substance by one degree celsius