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Biomechanics Final VOCABULARY Test

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5 Written Questions

5 Matching Questions

  1. Newton's Law of Acceleration
  2. Conservation
  3. Impulse-Momentum Relationship
  4. Moment of Inertia (units)
  5. Weight (units)
  1. a N-amount of gravitational force exerted on a system (always points downwards, point of application is always the COM)
  2. b both momentum and mechanical energy are conserved
  3. c When an impulse acts on a system, the result is a change in the system's total momentum
  4. d kg*m2-resistance to change in angular motion
  5. e 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

5 Multiple Choice Questions

  1. the study of bodies at rest; an object moving at constant velocity=@rest
  2. 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. N-force that impedes motion when object is moving; level of dynamic friction is constant
  4. kg*m/s-amount of motion an object possesses
  5. N-force that impedes motion when object is static; amount of static friction varies with amount of applied force

5 True/False Questions

  1. DynamicsThe study of bodies in motion

          

  2. Mass (units)J-force multiplied by displacement of system

          

  3. Potential Energy (units)J-capacity to do work; "energy of position"

          

  4. Moment of Force (units)kg*m2-resistance to change in angular motion

          

  5. Work (units)N-push or pull acting on a body or a system; has magnitude and direction

          

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