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Quizzes Quiz
Motion and Speed

Practice Test
  1.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 the displacement by the total time spent  
  d.   multiplying total distance traveled by the total time  
  2.Forces that cancel each other are called __________ forces.  
  a.   null  
  b.   neutral  
  c.   balanced  
  d.   inactivated  
  3.__________ is the speed of an object at any instant of time.  
  a.   Instantaneous speed  
  b.   Acceleration  
  c.   Average speed  
  d.   Velocity  
  4.The SI unit of distance is the __________.  
  a.   liter  
  b.   gram  
  c.   meter  
  d.   mile  
  5.Which of the following devices is used to indicate instantaneous speed?  
  a.   compass  
  b.   stopwatch  
  c.   speedometer  
  d.   odometer  
  6.Motion occurs when an object changes its __________.  
  a.   mass  
  b.   position  
  c.   volume  
  d.   force  
  7.Changes in which of the following of Earth's layers cause earthquakes?  
  a.   magnetosphere  
  b.   lithosphere  
  c.   core  
  d.   stratosphere  
  8.__________ is the change in velocity divided by the time needed for the change to occur.  
  a.   Speed  
  b.   Displacement  
  c.   Acceleration  
  d.   Average velocity  
  9.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.   5.3 h  
  b.   2.18 h  
  c.   3.52 h  
  d.   3.14 h  
  10.The distance between the final position and the starting position is the __________.  
  a.   differential  
  b.   acceleration  
  c.   displacement  
  d.   velocity  
  11.A(n) __________ is a push or a pull that one body exerts on another.  
  a.   motion  
  b.   acceleration  
  c.   force  
  d.   velocity  
  12.Any change over time is called a(n) __________.  
  a.   rate  
  b.   acceleration  
  c.   velocity  
  d.   speed  
  13.The distance between an object and a reference point is the object's __________.  
  a.   position  
  b.   velocity  
  c.   neutral point  
  d.   displacement  
  14.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.   7.1 km south  
  b.   3.7 km south  
  c.   7.1 km north  
  d.   3.7 km  
  15.Which of the following is not an acceleration?  
  a.   stopping your bike at an intersection  
  b.   slowing your bike ride so you can make it up a hill  
  c.   riding your bike faster when you ride down a hill  
  d.   riding your bike straight down the street at a constant speed  
  16.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.   11 km  
  b.   10.5 km  
  c.   10 km  
  d.   2.8 km/h  
  17.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  
  18.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 km/h  
  b.   4 km/h  
  c.   8 km/h  
  d.   2.67 km/h  
  19.The direction and speed of an object is described by its __________.  
  a.   average displacement  
  b.   displacement  
  c.   velocity  
  d.   average speed  
  20.__________ is the distance an object travels per unit of time.  
  a.   Speed  
  b.   Acceleration  
  c.   Displacement  
  d.   Velocity  

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