Lesson 3.01a

3.01a SI units and fundamental quantities Quiz: OCR Maths, Unit 16

20 questions

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Lesson 3.01a, SI units and fundamental quantities: 20 multiple choice questions for the OCR Maths (H240), Unit 16: Quantities and Units in Mechanics, written with Revision Ninja.

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The 20 questions

  1. Which of the following is a fundamental SI unit in mechanics?

    • Watt
    • Joule
    • Newton
    • Kilogram
  2. What is the SI unit for force in mechanics?

    • Joule
    • Pascal
    • Newton
    • Kilogram
  3. Which base quantity in the SI system is measured in seconds?

    • Time
    • Speed
    • Velocity
    • Acceleration
  4. Which mechanics quantity is a scalar rather than a vector?

    • Acceleration
    • Velocity
    • Speed
    • Displacement
  5. What is the derived SI unit for the moment of a force?

    • N s
    • N/m
    • N/m²
    • N m
  6. Which of the following represents acceleration in fundamental SI base units?

    • m s⁻¹
    • kg m s⁻²
    • m² s⁻¹
    • m s⁻²
  7. Which quantity is defined as a vector measuring the change in position?

    • Speed
    • Path length
    • Displacement
    • Distance
  8. In SI base units, what is one Newton equivalent to?

    • kg m s⁻²
    • kg m s⁻¹
    • kg m² s⁻²
    • kg m s²
  9. What type of quantity is mass in the SI system?

    • Derived vector
    • Fundamental scalar
    • Fundamental vector
    • Derived scalar
  10. What is the correct SI unit used to measure weight?

    • Kilogram
    • Gram
    • Newton
    • Newton per metre
  11. Which of these mechanics quantities is defined as rate of change of displacement?

    • Velocity
    • Speed
    • Distance
    • Acceleration
  12. Which SI base unit is used to measure length?

    • Kilometre
    • Millimetre
    • Centimetre
    • Metre
  13. Fundamental SI quantities in mechanics are described as being mutually what?

    • Inverse
    • Proportional
    • Independent
    • Derived
  14. If a particle moves 5 metres north and 5 metres south, what is its displacement?

    • 5 metres north
    • 10 metres south
    • 10 metres
    • 0 metres
  15. If a particle travels 5 metres north and 5 metres south, what is its total distance?

    • 10 metres
    • 5 metres
    • 20 metres
    • 0 metres
  16. What derived SI quantity has the unit metres per second?

    • Velocity
    • Force
    • Acceleration
    • Moment
  17. What is the dimensionally equivalent SI base unit combination for momentum?

    • kg m s⁻²
    • m s⁻¹
    • kg m s⁻¹
    • kg m² s⁻²
  18. Which pair consists of one scalar quantity and one vector quantity?

    • Velocity and acceleration
    • Force and displacement
    • Distance and velocity
    • Speed and distance
  19. What unit is produced when a force in newtons is divided by acceleration in m s⁻²?

    • Second
    • Newton metre
    • Metre
    • Kilogram
  20. Which of the following is a derived vector quantity in mechanics?

    • Mass
    • Speed
    • Acceleration
    • Distance

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