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# Physics

### EOC

constant not changing
parallel circuit there is more than one path for current to flow
series circuit a certain path for current to flow
electric current or current the flow of electrically charged particles, including electrons
resistance a part of a circuit that slows or stops the current
voltage the potential difference between ends of a circuit
potential difference A difference in electric potential that is needed for current to flow
potential energy stored energy PE=m x g x h
Conservation of Energy Energy cannot be created or destroyed, but it can be transformed from one form to another
kinetic energy Energy of motion
electrical potential energy potential energy particles have because of how close they are together
oscillation Moving back and forth at a regular interval
gravity an attractive force between two objects
g acceleration due to gravity
thermal equilibrium when two objects reach the same temperature
heat energy moving from a warmer object to a cooler object
momentum an object's resistance to slowing, stopping or speeding up
Law of Conservation of Momentum an object's momentum cannot change unless a force outside of it pushes or pulls it
impulse a force applied over time
mass how much stuff something is made of
force a push or a pull
acceleration how fast something changes speed or velocity
velocity how fast something moves and in what direction
Newton's 2nd Law More mass, less acceleration and more force, more acceleration F=m*a
friction a force which pushes against motion
air resistance The friction caused by moving against air particles. It is especially important when something is flying through the air
Newton's 3rd Law For every force, there is an equal and opposite force
period how much time it takes for a wave to pass or a pendulum to swing back and forth
amplitude how high a pendumlum swings or the height or the depth of a wave
frequency number of waves per second
wavelength distance from the top of one wave to the top of the next
longitudinal wave a wave whose particles move the same direction as the wave
photovoltaic a device which turns light eneryg into electrical energy
MRI a device in the hospital which uses strong magnets and radio waves to form images of the body
refraction when a wave bends
Equipotential Line An invisible line across which there is a potential difference
Created by: kodakyailin