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5 Written questions

5 Matching questions

  1. Newton's Law of Acceleration
  2. Impulse (units)
  3. Work (units)
  4. Conservation
  5. Strain Energy (units)
  1. a both momentum and mechanical energy are conserved
  2. b an applied force causes an acceleration of the body; 1. with a magnitude proportional to the force 2. in the direction of hte force 3. inversely proportional to the mass
  3. c N*s-area under the force-time curve
  4. d J-force multiplied by displacement of system
  5. e 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 Multiple choice questions

  1. N-amount of gravitational force exerted on a system (always points downwards, point of application is always the COM)
  2. m-point of application of the GRF
  3. Nms-area under the moment-time curve
  4. description of motion w/o regards to it cause; displacement, velocity, and acceleration
  5. kg*m/s-amount of motion an object possesses

5 True/False questions

  1. BiomechanicsScience which studies the influence of forces on bodies


  2. Ground Reaction Force (units)N-3D forces measured at the ground; represent the summation fo acceleration (F=ma) of all body segments. Point of application is the COP.


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


  4. Dynamicsthe study of bodies at rest; an object moving at constant velocity=@rest


  5. Power (units)W-rate of work production