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Physics A Terms

TermDefinition
Model A replica or description designed to show the structure of workings of an object, system, or concept
System A set of items or interaction considered a distinct physical entity for the purpose of study
Accuracy Describes how close a measured value is to the true value of the quantity measured
Precision Refers to the degree of exactness with which a measurement is made and stated
Significant figures Those digits in a measurement that are known with certainty plus the first digit that is uncertain
atto- Is the prefix for 10^ -18 Has the abbreviation "a"
femto- Is the prefix for 10^ -15 Has the abbreviation "f"
pico- Is the prefix for 10^ -12 Has the abbreviation "p"
nano- Is the prefix for 10^ -9 Has the abbreviation "n"
micro- Is the prefix for 10^ -6 It's abbreviation is the Greek letter mu, pronounced mew
milli- Is the prefix for 10^ -3 Has the abbreviation "m"
centi- Is the prefix for 10^ -2 Has the abbreviation "c"
deci- Is the prefix for 10^ -1 Has the abbreviation "d"
deka- Is the prefix for 10^1 Has the abbreviation "da"
kilo- Is the prefix for 10^3 Has the abbreviation "k"
mega- Is the prefix for 10^6 Has the abbreviation "M"
giga- Is the prefix for 10^9 Has the abbreviation "G"
tera- Is the prefix for 10^12 Has the abbreviation "T"
peta- Is the prefix for 10^15 Has the abbreviation "P"
exa- Is the prefix for 10^18 Has the abbreviation "E"
meter the unit measure for length according to SI standards
kilogram the unit measure for mass according to SI standards
second the unit measure for time according to SI standards
Delta Greek letter used to describe the "difference" or "change in"
Sigma Greek letter used to describe the "sum" or "total"
Dimensional analysis Makes use of the fact that dimensions can be treated as algebraic quantities
One-dimensional motion Linear motion; motion in a straight line
Frame of reference Coordinate system to describe the precise position in space
Displacement Change in position (deltaX, deltaY) in direct straight line between start and end points
Distance Total way traveled
Created by: UltimateAbdul