Work and Power Problems
3 years ago
wasinger
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20 QuestionsShow answers
  • Question 1
    5 seconds
    Q. The SI Unit for Mass?
    answer choices
    Kilogram (Kg)
    Newton (N)
    Joule (J)
    Watt (W)
  • Question 2
    30 seconds
    Q. The SI Unit for Work
    answer choices
    Newton (N)
    Joule (J)
    Second (s)
    Watt (W)
  • Question 3
    30 seconds
    Q. The SI Unit for Force
    answer choices
    Newton (N)
    Joule (J)
    Second (s)
    Watt (W)
  • Question 4
    30 seconds
    Q. The SI Unit for Time
    answer choices
    Newton (N)
    Joule (J)
    Second (s)
    Watt (W)
  • Question 5
    30 seconds
    Q. The SI Unit for Power
    answer choices
    Newton (N)
    Joule (J)
    Second (s)
    Watt (W)
  • Question 6
    30 seconds
    Q. What is the formula for Work?
    answer choices
    E=mc2
    W= F x d
    P = W/T
  • Question 7
    30 seconds
    Q. What is the formula for Power?
    answer choices
    E=mc2
    W= F x d
    P = W/T
  • Question 8
    60 seconds
    Q. F=200 N
    d=50 m
    w=??
    answer choices
    4 J
    0.25 J
    250 J
    10,000 J
  • Question 9
    900 seconds
    Q. If 150 Joules of work is needed to move a box 10 meters, what force was used? 
    answer choices
    1500 N
    15 N
    1.5 N
    150 N
  • Question 10
    30 seconds
    Q. When a pendulum swings, at which point is potential energy at its greatest
    answer choices
    1
    2
    3
    4
  • Question 11
    30 seconds
    Q. When a pendulum swings, at which point is kinetic energy highest?
    answer choices
    1
    2
    3
    4
  • Question 12
    120 seconds
    Q. What kind of energy is in a battery?
    answer choices
    Potential
    Kinetic
  • Question 13
    30 seconds
    Q. As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
    answer choices
    Both the potential energy and kinetic energy decrease
    The potential energy decreases while the kinetic energy increases 
    The kinetic energy decreases while the potential energy increases 
    Bothe the potential energy and kinetic energy increase 
  • Question 14
    120 seconds
    Q. Find the distance an object traveled if a force of 350 N acted on it to produce 0 work?
    answer choices
    3 m
    2 m
    1 m
    0 m
  • Question 15
    120 seconds
    Q. An Xbox consumes 15.7 watts while in standby mode. If you leave it in standby mode for 86,400 seconds (one day), how much work was done?
    answer choices
    1,356,490 J
    1,356,480 J
    1,356,470 J
    1,356,460 J
  • Question 16
    120 seconds
    Q. How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
    answer choices
    3.8 m
    3.7 m
    3.2 m
    3.6 m
  • Question 17
    900 seconds
    Q. W = 500 Joules 
    t = 25 seconds
    P = ???
    answer choices
    0.05 W
    20 W
    12500 W
    2000 W
  • Question 18
    900 seconds
    Q. How much time is needed to produce 720 Joules of work if 90 watts of power is used? 
    answer choices
    0.125 s
    8 s
    64800 s
    80 s
  • Question 19
    300 seconds
    Q. A person weighing 600 N gets on an elevator. The elevator lifts the person 6 m in 10 seconds.  How much power was used?
    answer choices
    360 W 
    60 W
    3600 W
    600 W
  • Question 20
    60 seconds
    Q. Would it be easier to move a box of the same mass up a ramp that was long and gradual or short and steep?
    answer choices
    long and gradual
    short and steep
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