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100 Multiple choice questions

  1. Fact- Objective
    - quantitative
  2. an objective observation that cannot be contradicted; a close agreement between competent observations who make a series of observations of the same phenomenon
  3. Potential energy that depends on the height of an object
  4. - mu
    - no units
    - static
  5. - dry
  6. 1. Question/ Recognize the Problem
    2. Hypothesis
    3. Predict consequences of hypothesis
    4. Conduct experiment and collect data
    5. Conclusion
  7. - J Joules
  8. 60- 400
    90- 1600
  9. speed in a given direction
  10. - weight
  11. - p=-20
  12. - the object
    - you
    - both the same
  13. the product of mass and velocity
    - inertia in motion
  14. an increase in speed
  15. - it gets bigger apparent, same actual
  16. - friction
  17. product of force and time interval during which the force acts.
    - Impulse does NOT change in a collision; impulse is the change in momentum
  18. - a push or a pull
  19. - out, centripetal force
  20. - both
  21. - it does not
  22. the combination of all forces acting on an object
  23. the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
  24. 1. speeding up
    2. slowing down in the negative direction
    1. slowing down
    2. speeding up in positive acceloration
  25. - constant acceleration
  26. an educated guess; specific, quantitative/ qualitative, includes time period
  27. - 0 N
  28. - 90 mph, 3 times grater
  29. energy in motion
  30. elastic- the potential to be snap back
    gravitational potential energy- has potential to fall
  31. When objects collide without being permanently deformed or without generating heat
    - Energy is NOT lost; there is no damage to either object
  32. - Ug to K
  33. displacement: meter: m
    Mass: Kilogram: Kg
    Time: Seconds: s
    velocity: meters per sec: m/s
    acceleration: meters per sec squared: m/s2
    Force: Newtons: N
    Energy: Joule: J
    Momentum: kg * m/s
    Impulse: N*s
  34. - elastic
    -700 J
    - less than 700 J
  35. friction that acts on objects that are not moving
    - resists motion
  36. No, because acceleration is change in velocity
    - only when your velocity or acceleration ir both is zero
  37. - same force
    - car bigger acceleration
  38. Distance- the total distance traveled
    Displacement- the shortest distance from point a to pint b?
  39. Deals with both magnitude and direction
  40. - momentum stays the same though a system, same in the beginning and end, unless outside forces
  41. the tendency of an object to resist any change in its motion
    - a law
  42. The distance an object travels per unit of time
  43. the amount of matter in an object
  44. When colliding objects become entangled or coupled together, thereby generating heat or disfigurement
    - Energy is lost during the collision (usually due to heat or friction); there is a change in shape
  45. energy of motion
  46. A push or pull exerted on an object
  47. - same time, because same vertical speed
  48. a mesurable extent of some kind
  49. - when energy is lost, due to outside forces acting on it, work is done
  50. - the acceleration goes down
  51. - because of inertia
  52. - actual stays the same
    - apparent weigh gets smaller
  53. - 0
  54. G*MKHDDCM*ū*N
  55. - acceleration
  56. - a drawing with all forces, to show all fouces acting on it
  57. - less acceleration, less speed
    - acceleration decreases, less speed
  58. Describing with a single nimber
    gives magnitude only
    can be both positive and negative
  59. product of force and time interval during which the force acts.
    - Impulse does NOT change in a collision; impulse is the change in momentum
  60. - 0
  61. energy stored by something that can stretch or compress
  62. - centripital force forces you out towered the tract into your seat
  63. - apparent is based on normal weigh at the moment in time and place, scale tells you
    - actual weigh is just what you weigh no matter what
  64. .- when moving it will stay moving
  65. - normal
  66. - amount of gravity
  67. an explanation of why things happen that is tested, but is constantly undergoing change; a synthesis of a large body of information that encompasses well-tested and verified hypotheses; not set and can undergo change
  68. - constant velocity
  69. - vector
  70. -a car pushing on the earth, the earthing pushing back on it
    - two people pushing off each other on ice
    - a gun shooting out a bullet
  71. - inelastic
    - it is lost to heat, energy
  72. - static, non moving, the object it still
    - kinetic, moving
  73. - a force that acts to resist motion of object, or material of contact
  74. the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
  75. - more
  76. 1. Question/ Recognize the Problem
    2. Hypothesis
    3. Predict consequences of hypothesis
    4. Conduct experiment and collect data
    5. Conclusion
  77. how replicable a measurement is; AKA How close to the same number each measurement is
  78. - it is pushing down
  79. the force that opposes the movement of two surfaces that are in contact and are sliding over each other
  80. - the smae
  81. elastic- no damage or hear, bounce
    inelastic - stick together, or warping, energy losy
  82. the total energy
  83. when you hit the target in different places
  84. - it is a law, the tendency of an object to stay in it's constant state, unless another force acts on it
  85. - all fouces, tention, norma, applied, friction, cintripial, weight
  86. - 0
  87. - it increases, directly proportional
  88. distance and direction of an object's change in position from the starting point
  89. - mass is amount of matter, reamins the stame
    - weigh relative to gravity, pushing down, changes with location
  90. - kinetic
  91. - elastic
    -inelastic
  92. - a man being shot out a a cannon
    - a gun shooting out into the are
    - throwing a ball in the air
  93. - to increase time, and decrease force
  94. a vector that is the sum of two or more other vectors
    - the final point in the process
  95. 1. inertia, an object that moves will keep moving, and object at rest will not move, unless another force acts on it
    - a ball rolling across a frozen pond, it dose not slow down
    2. F=ma, acceleration and mass are directly proportional to force
    3. for every action there is an equal opposite reaction
  96. - impulse is change in momentum
  97. - speed up
    -slow down
    -chance direction
  98. how heavy something is
  99. Nearness of a measurement to the accepted true value
  100. - a ball rolling acros a frozen pond