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5 Written questions

5 Matching questions

  1. Static friction (units)
  2. Impulse-Momentum Relationship
  3. Weight (units)
  4. Newton's Law of Acceleration
  5. Power (units)
  1. a When an impulse acts on a system, the result is a change in the system's total momentum
  2. b N-amount of gravitational force exerted on a system (always points downwards, point of application is always the COM)
  3. c W-rate of work production
  4. d N-force that impedes motion when object is static; amount of static friction varies with amount of applied force
  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. No units- resistance to change in motion
  2. m- length of perpendicular line from the line of force through the axis of rotation
  3. J-capacity to do work; "energy of position"
  4. Nm-rotary force (drawn as a vector, but as an arc) M=Fd_I
  5. kg*m2-resistance to change in angular motion

5 True/False questions

  1. Kinetic Energy (units)J-capacity to do work; "energy of motion"


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


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


  4. Conservationboth momentum and mechanical energy are conserved


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