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Force and Motion

  •  English    32     Public
    Net Force, Speed, Motion Graphs
  •   Study   Slideshow
  • In the graph shown, which letter represents an object that is at rest?
    C
  •  15
  • describe the motion of the moving object
    it is moving at constant speed
  •  15
  • Based on the graph, in which segment is the object at rest?
    segment B
  •  15
  • What is the motion from 7 sec to 10 sec
    constant speed
  •  15
  • At what time is the object at rest?
    at t = 4s to t = 7s
  •  15
  • Bill jogs 400 meters to the park, turns around, and runs 200 meters back towards his house. He does so in 8 minutes. What is Bill's average speed?
    75 m/min
  •  15
  • What is the formula to calculate speed?
    speed= distance / time
  •  15
  • A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
    10 m/s
  •  15
  • Describe the motion at Point C
    speeding up / accelerating
  •  15
  • Describe the motion at Point A
    The object is at rest
  •  15
  • Describe the motion at Point B and D
    They are moving at constant speed
  •  15
  • Which object is moving with the greatest speed?
    object at D
  •  15
  • What is average speed?
    average speed is total distance divided by total time
  •  15
  • What is the equation to calculate speed?
    speed = distance/time
  •  5
  • Which of the following is a unit of speed? 1. km 2.hr 3. s 3.km/hr 4. hr/s
    km/hr
  •  5
  • Which of the following is a unit of time? 1. km/hr 2. hr 3. km 4. mi
    hr
  •  5