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Systems-Grade 8

Quiz by Christine Chung

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5 questions
Show answers
  • Q1
    You push a box along the floor with a force of 200 N over a distance of 3m. How much work was done?
    6J
    600 J
    60J
    67J
    30s
  • Q2
    The input distance of a screw is equal to the circumference of the screw multiplied by the number of times it is turned. If a screw with a circumference of 19mm is turned 4 times, so that it penetrates into a piece of wood a distance of 8.5 mm (output distance), what is the screw's ideal mechanical advantage?
    2.20
    0.45
    0.11
    8.94
    30s
  • Q3
    What type of lever is a crowbar/pry bar?
    Question Image
    Class 1
    Class 3
    Class 2
    30s
  • Q4
    What type of lever is a broom?
    Question Image
    Class 3
    Class 2
    Class 1
    30s
  • Q5
    What type of lever is a wheelbarrow?
    Question Image
    Class 3
    Class 2
    Class 1
    30s

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