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Unit 9 - FORCES AND MACHINES

Quiz by Rosa

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8 questions
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  • Q1
    If you apply sufficient force to a rigid object, it will…
    change shape temporarily
    break
    change shape permanently.
    30s
  • Q2
    A car travels 300 km in 6 hours. Its speed is…
    20 km/h.
    50 km/h.
    80 km/h.
    30s
  • Q3
    The component of a machine that produces movement is the…
    motor
    operating part
    structure
    30s
  • Q4
    Indicators and screens…
    receive information from outside the machine.
    give information about what the machine is doing
    distribute electricity throughout the machine.
    30s
  • Q5
    How can we know their speed at a particular moment?
    we have to look through the window.
    we have to look the wheels.
    we have to look at the speedometer.
    30s
  • Q6
    The force of gravity...
    decreases the speed of all falling objects
    attracts all bodies towards the centre of the Earth.
    is not as strong as the force of water
    30s
  • Q7
    To regulate the temperature in our homes, we use…
    appliances.
    water flow regulators.
    thermostats.
    30s
  • Q8
    A high speed train takes 2 hours to travel 400 km. What is the speed of the train?
    100 km/h.
    120 km/h.
    200 km/h.
    30s

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