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Flashcards on Units and Measurements based on lecture notes.
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Mili
1/1000
Centi
1/100
Deci
1/10
Kilo
1000
SI or Metric System
International system of units, sometimes referred to as the decimal system (based on the number 10).
Area unit
Square meter
Volume unit
Cubic meter
Speed/velocity unit
Meter per second
Density unit
Kilogram per cubic meter
Base unit of length
Meter
Commonly used units of Length
Millimeter, Centimeter, Meter, Kilometer
Units of area
Square millimeter, Square centimeter, Square meter, Square kilometer
Calculating areas
Squares and rectangles - length x width, Circles - πr²
Converting area units
10², 100², 1000²
Mass
The amount of matter in an object, measured in g or kg.
Inertia
Tendency of objects to remain in motion or stay at rest unless acted upon by outside force.
Weight
A measure of the force of attraction between any two object that have mass.
Metric unit for weight
Newton (N)
Units of volume (solid)
Cubic millimeter, Cubic centimeter, Cubic decimeter, Cubic meter
Units of volume (liquid)
Liter (L), Milliliter (mL), 1cm³ = 1mL
Density
Density = mass / volume
Units of density
Grams per cubic centimeter (g/cm³), Kilograms per cubic meter (kg/m³)
Converting between different units of density
To convert from kg/m³ to g/cm³ divide by 1000, To convert from g/cm³ to kg/m³ multiply by 1000
Galileo thermometer
Less dense bubbles float up
Mass against Volume Graphs
Different slopes because the substance have different density
Slope in Mass against Volume Graphs
Higher density = steeper slope, Smaller density = less steep slope