John Gaskin p2.

  1. Who was the first man on the moon?
    Neil Armstrong
  2. Kinetic energy =
    half x mass
  3. Height =
    Mass x gravitational field strenght
  4. Energy =
    Mass x gravity x height
  5. When an an object falls it converts gravitational potential energy (GPE) into?
    Kinetic energy
  6. Weight =
    Mass x gravity
  7. Workdone =
    Force x distance
  8. What affects braking distance?
  9. What affects thinking distance?
  10. Tiredness, alcohol and drugs all increase?
    Reaction times
  11. Stopping distance =
    Thinking distance + braking distance
  12. Acceleration =
    Force divided by mass
  13. Gravitational field strenght =
    10m/s squared
  14. Force =
    Mass x acceleration - Neutons 2nd law
  15. Speed =
    Distance divided by time
  16. Kinetic energy =
    Half x mass
  17. Charge =
    Current x time
  18. What does a fixed resistor do?
    Limits the current in a circuit
  19. A voltmeter is used to measure?
    Potential difference
  20. What does a switch do?
    Allows the circuit to be on or off
  21. An ammeter is used to?
    Measure electrical current
  22. What does a diode do?
    Allows the current to go in one direction only
  23. What is an isotope?
    Two different forms of the same element
  24. Where does necleur fission occur?
    In stars
  25. What causes background radiation?
    Natural and artificial sources
  26. What are beta particles made of?
    An electron particle of nnegative charge
  27. What are alpha particles made of?
    Two neutrons and protons held together
  28. Where is necleur fission used?
    In necleur reactors
  29. What does the brown wire equal in a plug?
  30. What does the yellow and green wire equal in a plug?
Card Set
John Gaskin p2.