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5 Written questions

5 Matching questions

  1. Efficiency
  2. Temperature in kelvins temperature
  3. Weight
  4. Velocity, mass, KE
  5. Density
  1. a (useful energy output ÷ total energy input) x 100%
  2. b √(2KE ÷ velocity^2 )
  3. c mass ÷ volume
  4. d centigrade + 273
  5. e mass x acceleration due to gravity

5 Multiple choice questions

  1. current x voltage
  2. frequency x wavelength
  3. force x distance moved
  4. force ÷ area
  5. output power, VsxIs (for 100% efficiency)

5 True/False questions

  1. Energycurrent x voltage x time

          

  2. Input (primary) voltage ÷ output(secondary voltage), Vp ÷ Vsconstant, p2 ÷ T2

          

  3. Orbital speed(2 x π x orbital radius) ÷ time period

          

  4. Pressure differenceforce ÷ area

          

  5. Powerforce x perpendicular distance from pivot

          

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