Physics: Mechanics Module 1

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jpopat
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173869
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Physics: Mechanics Module 1
Updated:
2012-12-23 09:33:52
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Physics Mechanics Module
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AS Physics: Mechanics Module 1
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  1. State the unit for the quantity: mass
    kilogram (kg)
  2. State the unit for the quantity:  length
    metre (m)
  3. State the unit for the quantity: time
    second (s)
  4. State the unit for the quantity: temperature
    kelvin (K)
  5. State the unit for the quantity: electrical current
    ampere (A)
  6. State the unit for the quantity: amount of substance
    mole (mol)
  7. State the multiple (power of 10) for the prefix: tera-
    1012
  8. State the multiple (power of 10) for the prefix: tera-
    109
  9. State the multiple (power of 10) for the prefix: mega-
    106
  10. State the multiple (power of 10) for the prefix: kilo-
    103
  11. State the multiple (power of 10) for the prefix: centi-
    10-2
  12. State the multiple (power of 10) for the prefix: milli-
    10-3
  13. State the multiple (power of 10) for the prefix: micro-
    10-6
  14. State the multiple (power of 10) for the prefix: nano-
    10-9
  15. State the multiple (power of 10) for the prefix: pico-
    10-12
  16. State the multiple (power of 10) for the prefix: femto-
    10-15
  17. State the multiple (power of 10) for the prefix: atto
    10-18
  18. SCALAR quantity
    has magnitude ONLY and is completely described by a number and appropriate units.
  19. VECTOR quantity
    has both magnitude (size) and direction stated to be completely described
  20. List 6 vector quantities
    • Velocity
    • Displacement
    • Acceleration
    • Force
    • Weight
    • Momentum
  21. List 8 scalar quantities
    • speed
    • distance
    • mass
    • time
    • density
    • energy
    • power
    • temperature
  22. In scale drawing, arrows should be drawn ............. to ..............
    head to tail
  23. What is the alternative to scalar drawing?
    Pythagoras or trigonometry
  24. When asked for the resultant, which two pieces of information should you give in your answer
    The force/magnitude (length of the line) and direction (the angle)
  25. A vector is resolved by which metod (finding x and y values)
    Trigonometry - Cos and Sin mainly
  26. An object is in equilibrium if
    The forces acting in all directions are equal and so the resultant is 0
  27. Displacement is
    the straight line distance from any given point in a stated direction
  28. Instantaneous speed is 
    the speed at a given instant of time
  29. Average speed=
    Average speed = Distance / Time
  30. Velocity=
    Velocity = Displacement / Time
  31. Acceleration=
    Acceleration = Change in Velocity / Time
  32. On a velocity-time graph a horizontal line represents
    Constant velocity, no acceleration
  33. On a velocity-time graph a straight line slope shows
    constant acceleration
  34. On a displacement-time graph a horizontal line represents
    Stationary object, no velocity
  35. A displacement-time graph with a straight line slope shows
    positive/negative constant velocity
  36. How can you find displacement from a velocity-time graph?
    Area under the curve 
  37. In SUVAT equations, what does s stand for?
    Displacement
  38. In SUVAT equations, what does u stand for?
    Initial velocity
  39. In SUVAT equations, what does v stand for?
    Final velocity
  40. In SUVAT equations, what does a stand for?
    Acceleration
  41. In SUVAT equations, what does t stand for?
    Time
  42. List the four SUVAT equations
    • s = ut + 1/2at2
    • v = u + at
    • s = 1/2(u + v)t
    • v2 = u+ 2as
  43. Gravity is s_ _ _ _ _ _ _ _ _ _
    symmetrical
  44. Acceleration due to gravity is
    9.81ms-2

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