Quiz  /  Power

  • 1. 
    Power in physics is the rate at which _____ is used.

  • Velocity
  • Energy
  • Speed
  • Current

  • 2. 
    To calculate power, we use the formula: Power = Work divided by ______.

  • Force
  • Velocity
  • Distance
  • Time

  • 3. 
    What is the standard unit of measurement for power?

  • Watt
  • Newton
  • Volt
  • Ampere

  • 4. 
    Will you use more power running up the stairs or walking up the stairs?

  • Walking up the stairs
  • Running up the stairs
  • The same in both

  • 5. 
    What is the equation used for calculating power from force and velocity?

  • Power = force * velocity
  • Power = force/velocity
  • Power = force + velocity
  • Power = velocity/force

  • 6. 
    What is the equation used for calculating electrical power?

  • P = I + V
  • P = I/V
  • P = I * V
  • P = V/I

  • 7. 
    If it takes 10 J of work to move a rock 15 meters in 5 seconds, what is the power?

  • 2 W
  • 150 W
  • 1 W
  • 50 W

  • 8. 
    If it takes 50 J of work to climb a set of stairs, how fast would you have to climb them to use 5 Watts of power?

  • 10 seconds
  • 5 seconds
  • 9 seconds
  • 2 seconds

  • 9. 
    What is the electrical power of a circuit generating 5 Amps and 8 Volts?

  • 40 W
  • 8 W
  • 13 W
  • 5 W

  • 10. 
    How many watts are in a horsepower?

  • 2 W
  • 350.3W
  • 1 W
  • 745.7W
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