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Science
Moving by force

Starter quiz

  • What can make an object speed up, slow down, change direction or change shape?
    • 'force' ✓
  • What is the name of the force which is produced when two solid surfaces rub against each other?
    • upthrust
    • drag
    • friction  ✓
    • thrust
    • tension
  • What is the name of the force that opposes movement when a solid object passes through a liquid or gas?
    • upthrust
    • drag  ✓
    • friction
    • thrust
    • tension
  • A firework has a weight of 0.2 N and it produces an upwards thrust of 1.0 N when launched. What it the resultant force on the firework?
    • 0.2 N upwards
    • 1.0 N downwards
    • 1.2 N upwards
    • 0.8 N downwards
    • 0.8 N upwards  ✓
  • Someone pushes a trolley along a flat road until it is moving quickly. They then jump on for a ride, putting both their feet up. Which of these statements is correct after they are on the trolley?
    Someone pushes a trolley along a flat road until it is moving quickly. They then jump on for a ride, putting both their feet up. Which of these statements is correct after they are on the trolley?
    • The force of friction will push the trolley forwards.
    • A push force is still driving the trolley forwards.
    • There is no force pushing the trolley forwards.  ✓
    • Fiction and drag will cause the trolley to immediately stop.
    • Friction and drag will cause the trolley to gradually slow down.  ✓
  • A child lets go of a bundle of ten large helium balloons, each has a weight of 0.5 N. Each balloon produces an upthrust of 1 N. What is resultant force on the bundle of balloons?
    A child lets go of a bundle of ten large helium balloons, each has a weight of 0.5 N. Each balloon produces an upthrust of 1 N. What is resultant force on the bundle of balloons?
    • 0.5 N upwards
    • 1.5 N upwards
    • 5.0 N downwards
    • 5.0 N upwards  ✓
    • 0 N
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