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5 Written questions

5 Matching questions

  1. Impulse (units)
  2. Kinematics
  3. Center of Mass (units)
  4. Impulse-Momentum Relationship
  5. Moment of Force (units)
  1. a description of motion w/o regards to it cause; displacement, velocity, and acceleration
  2. b Nm-rotary force (drawn as a vector, but as an arc) M=Fd_I
  3. c N*s-area under the force-time curve
  4. d When an impulse acts on a system, the result is a change in the system's total momentum
  5. e m-point around which a body's mass is equally balanced in all directions. Point of application of the weight force

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. 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
  3. m- length of perpendicular line from the line of force through the axis of rotation
  4. the study of bodies at rest; an object moving at constant velocity=@rest
  5. W-rate of work production

5 True/False questions

  1. Newton's Law of Accelerationan 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


  2. Conservationdescription of motion w/o regards to it cause; displacement, velocity, and acceleration


  3. Free Body Diagramsketch of a system of interst with the surrounding environmetn/segments removed; and all of the forces drawn on the body. An important first step in the mechanical solutions since it helps to visualize all the forces acting on the system


  4. 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.


  5. Center of Pressure (units)m-point of application of the GRF