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Quizzes Quiz
Motion and Speed

Practice Test
  1.__________ is the distance an object travels per unit of time.  
  a.   Velocity  
  b.   Speed  
  c.   Displacement  
  d.   Acceleration  
  2.Average speed is found by __________.  
  a.   dividing the displacement by the total time spent  
  b.   dividing total distance traveled by the total time  
  c.   multiplying total distance traveled by the total time  
  d.   multiplying the displacement by the total time spent  
  3.To calculate the distance traveled continuously in a straight line, __________.  
  a.   subtract final position from starting position  
  b.   divide the distance traveled by the time needed to travel the distance  
  c.   divide the change in velocity by the time over which the change occurs  
  d.   subtract the time needed to travel the distance by the total distance traveled  
  4.The SI unit of distance is the __________.  
  a.   gram  
  b.   meter  
  c.   mile  
  d.   liter  
  5.The __________ is the combination of all the forces acting on an object.  
  a.   force pair  
  b.   inertia  
  c.   direction of motion  
  d.   net force  
  6.A(n) __________ is a push or a pull that one body exerts on another.  
  a.   velocity  
  b.   motion  
  c.   force  
  d.   acceleration  
  7.The distance between the final position and the starting position is the __________.  
  a.   differential  
  b.   displacement  
  c.   velocity  
  d.   acceleration  
  8.__________ is the change in velocity divided by the time needed for the change to occur.  
  a.   Displacement  
  b.   Acceleration  
  c.   Average velocity  
  d.   Speed  
  9.__________ is the speed of an object at any instant of time.  
  a.   Average speed  
  b.   Velocity  
  c.   Acceleration  
  d.   Instantaneous speed  
  10.If a runner maintains a constant speed of 12 km/h, how long will it take to complete a marathon race of 26.2 miles?  
  a.   3.52 h  
  b.   3.14 h  
  c.   2.18 h  
  d.   5.3 h  
  11.At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled?  
  a.   10 km  
  b.   11 km  
  c.   2.8 km/h  
  d.   10.5 km  
  12.The direction and speed of an object is described by its __________.  
  a.   average speed  
  b.   velocity  
  c.   displacement  
  d.   average displacement  
  13.__________ measures an object's tendency to resist changing its motion.  
  a.   Acceleration  
  b.   Inertia  
  c.   Gravity  
  d.   Mass  
  14.Motion occurs when an object changes its __________.  
  a.   volume  
  b.   mass  
  c.   position  
  d.   force  
  15.Forces that cancel each other are called __________ forces.  
  a.   inactivated  
  b.   balanced  
  c.   neutral  
  d.   null  
  16.Changes in which of the following of Earth's layers cause earthquakes?  
  a.   lithosphere  
  b.   core  
  c.   magnetosphere  
  d.   stratosphere  
  17.If a student leaves home at 7:30 AM to walk to his school 2 km away, stops at a neighbor's house for 15 min, then arrives at school at 8:00 AM, what is the student's average speed for the trip to school?  
  a.   2.67 km/h  
  b.   2 km/h  
  c.   4 km/h  
  d.   8 km/h  
  18.Any change over time is called a(n) __________.  
  a.   acceleration  
  b.   velocity  
  c.   speed  
  d.   rate  
  19.Which of the following devices is used to indicate instantaneous speed?  
  a.   odometer  
  b.   compass  
  c.   speedometer  
  d.   stopwatch  
  20.The distance between an object and a reference point is the object's __________.  
  a.   neutral point  
  b.   velocity  
  c.   position  
  d.   displacement  

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