Sl units

• What is the purpose of stating units in measurements?

  To give an understanding of the scale of the measurement
• Why is it important to identify the unit used for distance measurements?

  Because different units represent different scales of distance
• What does SI stand for in the context of units?

  Système Internationale d'Unités
• What is the unit of length in SI units?

  Metre (m)
• What is the unit of mass in SI units?

  Kilogram (kg)
• What is the unit of time in SI units?

  Second (s)
• What is the unit of electrical current in SI units?

  Ampere (A)
• What is the unit of temperature in SI units?

  Kelvin (K)
• What is the unit of the amount of substance in SI units?

  Mole (mol)
• What are derived units?

  Units that come from the fundamental units
• Why is frequency considered a derived unit?

  Because it is defined as the number of occurrences per unit of time
• What is the standard unit for frequency?

  Hertz (Hz)
• What is the unit of force in SI units?

  Newton (N)
• What is the unit of energy in SI units?

  Joule (J)
• What is the unit of power in SI units?

  Watt (W)
• What is the unit of pressure in SI units?

  Pascal (Pa)
• What is the unit of electric charge in SI units?

  Coulomb (C)
• What is the unit of electric potential difference in SI units?

  Volt (V)
• What is the unit of electric resistance in SI units?

  Ohm (Ω)
• What is the unit of magnetic flux density in SI units?

  Tesla (T)
• What are the six fundamental SI units of measurement?

  • Metre (m) - unit of length
  • Kilogram (kg) - unit of mass
  • Second (s) - unit of time
  • Ampere (A) - unit of electrical current
  • Kelvin (K) - unit of temperature
  • Mole (mol) - unit of the amount of substance
• What are some examples of derived units and their abbreviations?

  • Frequency: Hertz (Hz)
  • Force: Newton (N)
  • Energy: Joule (J)
  • Power: Watt (W)
  • Pressure: Pascal (Pa)
  • Electric charge: Coulomb (C)
  • Electric potential difference: Volt (V)
  • Electric resistance: Ohm (Ω)
  • Magnetic flux density: Tesla (T)