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Quizzes Quiz
Motion and Speed

Practice Test
  1.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.   10.5 km  
  b.   11 km  
  c.   2.8 km/h  
  d.   10 km  
  2.The distance between the final position and the starting position is the __________.  
  a.   acceleration  
  b.   displacement  
  c.   differential  
  d.   velocity  
  3.__________ is the distance an object travels per unit of time.  
  a.   Acceleration  
  b.   Velocity  
  c.   Speed  
  d.   Displacement  
  4.A(n) __________ is a push or a pull that one body exerts on another.  
  a.   motion  
  b.   acceleration  
  c.   force  
  d.   velocity  
  5.Changes in which of the following of Earth's layers cause earthquakes?  
  a.   core  
  b.   lithosphere  
  c.   stratosphere  
  d.   magnetosphere  
  6.Newton's first law of motion states that __________.  
  a.   when a force acts on an object, its acceleration is in the same direction as the force  
  b.   when a force is applied on an object, there is an equal force applied by the object in the opposite direction  
  c.   acceleration is calculated by dividing the force exerted on an object by the mass of the object  
  d.   an object will remain at rest or keep moving unless a force acts on it  
  7.Any change over time is called a(n) __________.  
  a.   acceleration  
  b.   speed  
  c.   velocity  
  d.   rate  
  8.Which of the following devices is used to indicate instantaneous speed?  
  a.   speedometer  
  b.   stopwatch  
  c.   compass  
  d.   odometer  
  9.The distance between an object and a reference point is the object's __________.  
  a.   position  
  b.   neutral point  
  c.   displacement  
  d.   velocity  
  10.If you travel 1.7 km north from your house at noon, and at 6:00 PM you travel 5.4 km south, what is your displacement?  
  a.   3.7 km  
  b.   7.1 km north  
  c.   7.1 km south  
  d.   3.7 km south  
  11.Average speed is found by __________.  
  a.   multiplying total distance traveled by the total time  
  b.   dividing total distance traveled by the total time  
  c.   multiplying the displacement by the total time spent  
  d.   dividing the displacement by the total time spent  
  12.Forces that cancel each other are called __________ forces.  
  a.   inactivated  
  b.   balanced  
  c.   null  
  d.   neutral  
  13.The SI unit of distance is the __________.  
  a.   liter  
  b.   gram  
  c.   meter  
  d.   mile  
  14.Motion occurs when an object changes its __________.  
  a.   volume  
  b.   force  
  c.   mass  
  d.   position  
  15.__________ is the change in velocity divided by the time needed for the change to occur.  
  a.   Displacement  
  b.   Speed  
  c.   Acceleration  
  d.   Average velocity  
  16.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  
  17.The __________ is the combination of all the forces acting on an object.  
  a.   direction of motion  
  b.   inertia  
  c.   net force  
  d.   force pair  
  18.__________ is the speed of an object at any instant of time.  
  a.   Acceleration  
  b.   Instantaneous speed  
  c.   Velocity  
  d.   Average speed  
  19.__________ measures an object's tendency to resist changing its motion.  
  a.   Gravity  
  b.   Acceleration  
  c.   Inertia  
  d.   Mass  
  20.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.   2.18 h  
  c.   3.14 h  
  d.   5.3 h  

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