Starter quiz

  • Which is the best definition of the weight of an object?
    • the amount of material it contains
    • the size of force needed to lift or support it  ✓
    • the space the object takes up
    • the resultant force acting on the object
  • Which is the best definition of the mass of an object?
    • the force pulling down on it
    • the amount of material it contains  ✓
    • the total number of atoms inside it
    • the amount of space it takes up
  • The figure shows two forces acting on a toy boat on the surface of water. Which statements are correct?
    The figure shows two forces acting on a toy boat on the surface of water. Which statements are correct?
    • the boat will be speeding up  ✓
    • the boat will be at a steady speed
    • the boat will be slowing down
    • not all of the forces are shown in the figure  ✓
  • A balance is used to measure the mass of a sample of water. If the mass of the water is 320 g, what is this mass in kilograms?
    A balance is used to measure the mass of a sample of water. If the mass of the water is 320 g, what is this mass in kilograms?
    • 320 kg
    • 32.0 kg
    • 3.2 kg
    • 0.32 kg  ✓
    • 0.032 kg
  • A sample of water has a mass of 0.5 kg. What is its approximate weight on Earth?
    A sample of water has a mass of 0.5 kg. What is its approximate weight on Earth?
    • 0.05 N
    • 0.5 N
    • 5 N  ✓
    • 50 N
    • 500 N
  • This cruise ship is stationary and floating on the surface of the water. Which statements are correct?
    This cruise ship is stationary and floating on the surface of the water. Which statements are correct?
    • There are no vertical forces acting on the ship.
    • There is a downwards gravitational force acting on the ship.  ✓
    • There is an upwards force acting on the ship.  ✓
    • There is a resultant force acting on the ship.
    • The ship has no weight.
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