Exam (elaborations)
MS1 PRACTICE TEST
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MS1 PRACTICE TEST...
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MS1 PRACTICE TESTSpeed/velocity - ANSWER Displacement per unit time (linear = ft/sec, m/s, or
angular = degrees/sec)
Difference Between Speed and Velocity - ANSWER Velocity contains a
directional component.
Acceleration - Answer The change in velocity per unit time (ft/sec2 or m/s2).
If a=0, then velocity is constant.
a = - ANSWER (ft/sec2 or m/s2)
Mass - ANSWER The quantity of matter contained in an object, measured in
slugs or kilogrammes (kg).
Slugs - Answer How much content of matter you have.
Force - Answer (f) = (m)(a) - A push or pull applied to an item or person,
measured in pounds (lbs) or Newtons (N).
F: ANSWER (m)(a)
Weight - ANSWER = (m)(g), where g is the acceleration due to gravity (9.8 m/s
or 32.2 ft/sec2). Weight is the force of gravity exerted on a mass.
Vectors - Answer Arrows drawn on a force diagram to depict the location,
magnitude, and direction of a force.
Compression - Answer A smashing force generated by at least two pushes.
Tension (tensile force) / Traction - Answer created by forces pulling in opposite
directions.
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