# Shared Flashcard Set

## Details

Physics Comp
2012
103
Physics
Not Applicable
04/20/2012

Term
 Node
Definition
 The point when the wave touches 0.
Term
 Peak
Definition
 The top of a wave.
Term
 Wavelength
Definition
 The distance between two peaks vs distance.
Term
 Period
Definition
 The distance between two peaks vs time
Term
 Superposition
Definition
 An event in which two wave combine and the waves are added together.
Term
 Trough
Definition
 The lowest point on a wave
Term
 Transverse wave
Definition
 The partical movement is perpendicular to the wave movement direction.
Term
 Wave
Definition
 A disturbance in time and space.
Term
 Longitutal Wave
Definition
 The partical movement is parallel to the wave movement direction.
Term
 Speed of Light
Definition
 3.0x108 m/s
Term
 Distance
Definition
 The total amount traveled
Term
 Displacement
Definition
 The shortest ditance from Point A to Point B.
Term
 Scalar
Definition
 Value and units
Term
 Vector
Definition
 Value, units, and direction
Term
 Velocity
Definition
 Speed with a direction
Term
 Speed
Definition
 Distance over time.
Term
 Watt
Definition
 Units for Power.
Term
 Work
Definition
 When a force causes an object to move in the direction of the force.
Term
 Power
Definition
 The rate at which work is done.
Term
 Machine
Definition
 A device created to made work easier.
Term
 Joule
Definition
 Units for work. Equal to one Newton-Meter.
Term
 Energy
Definition
 The ability to do work.
Term
 W=FxD
Definition
 The equation for work.
Term
 P=W/T
Definition
 The equation for power.
Term
Definition
 How many times a machine multiplies force.
Term
 Work Input
Definition
 The work done on a machine.
Term
 Work Output
Definition
 The amount of work done by a machine.
Term
 Mechanical Effeicency
Definition
 Comparision of machines' input and output.
Term
 Lever
Definition
 A simple Machine consisting of a piviot and a point. (See-saw)
Term
 Inclined Plane
Definition
 A simple Machine which is a slanted surface.
Term
 Wedge
Definition
 A moving double inclined plane. Also a simple machine.
Term
 Thermal/heat energy
Definition
 The total energy of the motion of particles which make up an object.
Term
 Mechanical energy
Definition
 Energy which causes an object to move or preserved energy.
Term
 Kinectic energy
Definition
 The energy of motion of an object.
Term
 Potential energy
Definition
 The energy which may be converted into motion.
Term
 Electro-Magnetic/Light energy
Definition
 Energy produced by the vibrations of electrically charged particles.
Term
 Nuclear energy
Definition
 Energy associated by a change in the nucleus of an atom.
Term
 Chemical energy
Definition
 The energy of a compound which changes as its atoms are rearraged to form new compounds.
Term
 Electrical energy
Definition
 The energy of moving electrons.
Term
 Sound energy
Definition
 Energy caused by an object's viabrations.
Term
 The Law of Conservation of Energy
Definition
 Energy can't be made or killed, can be morphed, total never alters.
Term
 Potential Energy
Definition
 Pe=mgh
Term
 Kinetic Energy
Definition
 KE=1/2 mv2
Term
 Energy Resources
Definition
 Natural Resources which can be converted to do work.
Term
 Nonrenwable Energy Resources
Definition
 Never remade orover looooong periods of time.(coal, gas, other gas, nuclear stuff)
Term
 Fossil Fuels
Definition
 Formed from animal remains.
Term
 Renewable Energy Resources
Definition
 Renewed often. (wind, solar, water, thermal, biomass)
Term
 Temperature
Definition
 Measure of KE in molecules. Kelvins.
Term
 Absolute Zero
Definition
 Lowest temp. -273oC stop moving
Term
 Thermal Energy
Definition
 Energy of motion of molecules
Term
 Heat
Definition
 Transfer of energy, diff. temp.
Term
 The Second Law of Thrmodynamics
Definition
 Stuff together turns same temp.
Term
 Thermal Conduction
Definition
 Direct contact.
Term
 Convetion
Definition
 Movement.
Term
Definition
Term
 Heat Engine
Definition
 Machine which us heat to do work. High to low.
Term
 Mechanical Efficiency
Definition
 Ratio of input to output with heat.
Term
 Charged Particles
Definition
 Particles which carry electric charges (- or +).
Term
 Coulomb
Definition
 SI unit for charge. =Ampere x Second
Term
 Charges of Particles
Definition
 Particles (+, -, or none)
Term
 Net Charge on an Object
Definition
 Total charge when all charges added together.
Term
 The Coulomb Electric Force
Definition
 None of force between two charged particles or objects when charge included.
Term
 Conductors
Definition
 Materials which allow charges to easily move through.
Term
 Insulators
Definition
 Difficult for charged to move through.
Term
 Static Electricity
Definition
 Term for net charge doesn't move, only insulators.
Term
 Current
Definition
 Term for electricty moving charges, conductors.
Term
 Destructive Interference
Definition
 Superposition part where one wave is positive and one is negitive, the result is near zero.
Term
 Constructive Interference
Definition
 Superposition part where both waves are the same sign.
Term
 At Rest
Definition
 0 m/s
Term
 Inertia
Definition
 The tendency of an object to remain in its original state of motion.
Term
 Most energy
Definition
 Plasma
Term
 Least energy
Definition
 Solid
Term
 Newton's First Law
Definition
 An object in motion will remain in motion unless acted on by an unbalanced force. An object at rest will remain at rest unless acted on by an unbalanced force.
Term
 Newton's Second Law
Definition
 Force equals mass times acceleration
Term
 Newton's Third Law
Definition
 For every action there is an equal and opposite reaction.
Term
 Accurate
Definition
 Close to the real thing.
Term
 Precise
Definition
 Close to one another.
Term
 Weight
Definition
 A force; Mass times gravity; Gravity's pull on mass.
Term
 Acceleration due to Gravity
Definition
 -9.8m/s/s
Term
 Hypothesis
Definition
 An educated guess; Generally If...then... statement
Term
 Motion
Definition
 When something alters its positon/moves.
Term
 Inference
Definition
 Something guessed based on observations.
Term
 Observation
Definition
 Something that can be recorded based on the five senses.
Term
 Position
Definition
 Where something is (scientifically).
Term
 Perfect Wave
Definition
 All the amplitudes and wavelengths match up.
Term
 Acceleration
Definition
 Change in velocity over time. (increase OR decrease)
Term
 Arrows
Definition
 Symbolize forces on a FBD or go over the symbol for a vector.
Term
 Free Body Diagram
Definition
 A stetch to determine the net force and the direction of the forces.
Term
 Net Force
Definition
Term
 Normal Force
Definition
 The surface; perpendicular to object; doesn't cause acceleration because it cancels out the force of gravity.
Term
 Balanced forces
Definition
 Forces that are not caused by humans; forces which cancel out.
Term
 Applied Forces
Definition
 Forces made by humans/ man-related events
Term
 Tension Force
Definition
 Rope/wire forces
Term
 Spring Force
Definition
 Spring Forces (no, not the season)
Term
 Reference Point
Definition
 A still object to compare how far/fast another moves.
Term
 Quantitative Observation
Definition
 Includes numbers
Term
 Qualitative Observation
Definition
 Includes descriptions
Term
 Scientific Notation
Definition
 Used for extremely small or large numbers Ex: 6.98x107= 69800000.
Term
 Scientific Method
Definition
 A way to accurately measure a certain event in nature.
Term
 Equalibrium
Definition
 Forces which cancel each other out.
Term
 Graphs
Definition
 Charts to organise gathered data.
Term
 Friction Force
Definition
 A force cause by two objects rubbing together.
Term
 Force
Definition
 A push or pull
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