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Combined science (OCR Higher)
Measuring and calculating motion

Starter quiz

  • Which of the following are features of a typical displacement–time graph?
    • time is shown on the x–axis (horizontal)  ✓
    • time is shown on the y–axis (vertical)
    • displacement is shown on the x–axis (horizontal)
    • displacement is shown on the y–axis (vertical)  ✓
  • Match the quantity to the correct description.
    • displacement
      ⇔
      a vector measured in m ✓
    • velocity
      ⇔
      a vector measured in m/s ✓
    • distance
      ⇔
      a scalar measured in m ✓
    • speed
      ⇔
      a scalar measured in m/s ✓
  • Which of the following are examples of velocity?
    • 4 km north  ✓
    • 3 km/s
    • 12 m/s upwards  ✓
    • 2 mph west  ✓
    • 100 km/h
  • Which of the following features of a displacement–time graph indicates an object travelling at the greatest speed?
    • The time will be at its maximum value.
    • The displacement will be at its maximum value.
    • The gradient of the line will be the steepest  ✓
    • The gradient of the line will be the shallowest.
    • The gradient will be zero (flat).
  • Calculate the speed of a car that travels 500 m in 25 s. Include the unit in your answer.
    • '20 m/s' ✓
  • How long will a fish travelling at 2.5 m/s take to travel 1.5 km?
    • 0.6 minutes
    • 1 minutes
    • 3.75 minutes
    • 10 minutes  ✓
    • 5 minutes
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