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5 Written questions

5 Matching questions

  1. Newton's Law of Reaction
  2. Center of Pressure (units)
  3. Conservation
  4. Kinetic Energy (units)
  5. Newton's Law of Inertia
  1. a both momentum and mechanical energy are conserved
  2. b body will maintain a state of rest or constant velocity unless acted on by an external force that changes states
  3. c for every action, there is an equal and opposite reaction
  4. d J-capacity to do work; "energy of motion"
  5. e m-point of application of the GRF

5 Multiple choice questions

  1. J-capacity to do work; "energy of position"
  2. When an impulse acts on a system, the result is a change in the system's total momentum
  3. W-rate of work production
  4. J-special form of potential energy; when an object is deformed its tores strain energy which is returned as KE when the object returns to the origional shape
  5. N-3D forces measured at the ground; represent the summation fo acceleration (F=ma) of all body segments. Point of application is the COP.

5 True/False questions

  1. Impulse (units)N*s-area under the force-time curve


  2. Moment of Inertia (units)Nm-rotary force (drawn as a vector, but as an arc) M=Fd_I


  3. Static friction (units)N-force that impedes motion when object is moving; level of dynamic friction is constant


  4. Kinetic Friction (units)N-force that impedes motion when object is static; amount of static friction varies with amount of applied force


  5. Pressure (units)N/m2-Force distributed over a given area


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