Shared Flashcard Set

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

Additional Physics Flashcards

 


 

Cards

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
Mechanical Advantage
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
Radiation
Definition
Electromagnetic Radtiation.
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
All the forces added together.
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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