Starter quiz

  • Complete the sentence: The unit of force is the ______, which has the symbol N.
    • 'newton' ✓
  • The figure shows a force acting on a balloon resting on a table with a hand pushing downwards on it. Which statements are correct?
    The figure shows a force acting on a balloon resting on a table with a hand pushing downwards on it. Which statements are correct?
    • The force causes the balloon to speed up.
    • The force causes the balloon to change shape.  ✓
    • The balloon will put an upwards force on the hand.  ✓
    • The balloon will put a downwards force on the table.  ✓
    • The table will put an upwards force on the balloon.  ✓
  • Which force on objects like springs or rubber bands will cause them to stretch?
    • gravitational force
    • tension  ✓
    • magnetic
    • upthrust
    • electrostatic
  • A set of bathroom scales shows a reading of 110 kg. What is the weight of the object on the scales? The gravitational field strength on Earth is 10 N/kg
    A set of bathroom scales shows a reading of 110 kg. What is the weight of the object on the scales? The gravitational field strength on Earth is 10 N/kg
    • 110 N
    • 11.0 N
    • 1100 N  ✓
    • 11 000 N
    • 1.1 N
  • A spring is used in a newton meter. The total length of the spring increases by 2 cm when a force of 4 N acts on it. Which of the following statements is correct?
    A spring is used in a newton meter. The total length of the spring increases by 2 cm when a force of 4 N acts on it. Which of the following statements is correct?
    • The total length of the spring will double when 8 N is placed on it.
    • The extension of the spring will double when 8 N is placed on it.  ✓
    • The total length of the spring will stay constant when 8 N is placed on it.
    • The total length of the spring doubles every time 4 N is added to it.
  • This boat is floating on the surface of the water. The boat has a mass of 120 kg and passengers have a total mass of 80 kg. What is the size of the upthrust acting on the boat?
    This boat is floating on the surface of the water. The boat has a mass of 120 kg and passengers have a total mass of 80 kg. What is the size of the upthrust acting on the boat?
    • 120 N
    • 200 N
    • 1200 N
    • 2000 N  ✓
    • 400 N
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