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Short Quiz in Science 8 describe how work is related to power and energy

Quiz by Quizalize Premium (Philippines)

Grade 8
Science
Philippines Curriculum: Grades 1-10

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5 questions
Show answers
  • Q1
    Power is defined as
    Work per unit time
    Work per unit length
    Force per unit length
    Work times time
    30s
    S8FE-Ic-21
  • Q2
    According to the scientific definition of work, pushing on a rock accomplishes no work unless there is
    a net force greater than zero.
    an applied force greater than its weight.
    an opposing force.
    movement in the same direction as the force.
    30s
    S8FE-Ic-21
  • Q3
    The metric unit of a joule (J) is a unit of
    kinetic energy.
    all of the above.
    potential energy.
    work.
    30s
    S8FE-Ic-21
  • Q4
    Power is
    the rate at which energy is expended.
    work per unit of time.
    the rate at which work is done.
    any of the above.
    30s
    S8FE-Ic-21
  • Q5
    You do work only when you exert a force on an object and move it.
    true
    false
    both
    maybe
    30s
    S8FE-Ic-21

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