7089619
Descripción
Mapa Mental por Charlie Turner, actualizado hace más de 1 año
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Creado por Charlie Turner
hace casi 8 años
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Foundations of Physics
- International System of Units (SI)
- Developed so that scientists all
around the world could work
with one system of
measurements
- Base Quantities
- One of the 7 fundamental
physical quantities that can be
used to describe all other
quantities
- Mass
- Length
- Time
- Current
- Amount of Substance
- Temperature
- Luminosity
- One of the 7 fundamental
physical quantities that can be
used to describe all other
quantities
- Base Units
- The units of base
quantities
- Kilogram (kg)
Nota:
- Mass
- Metres (m)
Nota:
- Length
- Seconds (s)
Nota:
- Time
- Amperes (A)
Nota:
- Current
- Mole (mol)
Nota:
- Amount of substance
- Kelvin (K)
Nota:
- Temperature
- Candela (cd)
Nota:
- Luminosity
- The units of base
quantities
- Derived Quantity
- A quantity
derived from a
combination of
base quantities
- Force
- Pressure
- Charge
- Power
- Voltage
- Energy
- Frequency
- Others (see
note)
Nota:
- Area Volume Density Velocity Acceleration Work
- A quantity
derived from a
combination of
base quantities
- Derived Unit
- Units of
derived
quantities
- Newton (N)
Nota:
- Force Can be written as kgms^-2
- Pascal (Pa)
Nota:
- Pressure Can be written as m^-1kgs^-2
- Coulomb (C)
Nota:
- Charge Can be written as sA
- Watts (W)
Nota:
- Power Can be written as m^2kgs^-3
- Volts (V)
Nota:
- Volts Can be written as m^2kgs^-3A^-1
- Joules (J)
Nota:
- Energy Can be written as kgm^2s^-2
- Hertz (Hz)
Nota:
- Frequency Can be written as s^-1
- Others (see note)
Nota:
- m^2 (Area) m^3 (Volume) kgm^-3 (Density) ms^-1 (Velocity) kgms^'1 (Momentum) ms^-2 (Acceleration) kgm^2s^-2 (Work)
- Units of
derived
quantities
- Developed so that scientists all
around the world could work
with one system of
measurements
- Prefixes
- Smaller
- Pico
- x10^-12
- x10^-12
- Nano
- x10^-9
- x10^-9
- Micro
- x10^-6
- x10^-6
- Milli
- x10^-3
- x10^-3
- Centi
- x10^-2
- x10^-2
- Deci
- x10^-1
- x10^-1
- Pico
- Bigger
- Mega
- x10^6
- x10^6
- Kilo
- x10^3
- x10^3
- Giga
- x10^9
- x10^9
- Tera
- x10^12
- x10^12
- Mega
- Smaller
- Uncertainty
- Percentage uncertainty = (absolute uncertainty /
average measurement) x 100
- If you are multiplying
or dividing quantities,
the total percentage
uncertainty is the
sum of each
percentage
uncertainty
- Percentage uncertainty = (absolute uncertainty /
average measurement) x 100
- Percentage Difference
- ((accepted value - measured value) / accepted value) x 100
- ((accepted value - measured value) / accepted value) x 100
- Graphs
- Straight line graphs
- y = mx + c
- m (gradient) = change in y / change in x
- c is the y intercept when x=0
- y = mx + c
- Straight line graphs
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