Physical Science, New York Edition

Chapter 2: Motion

Self-Check Quiz.-Eng.

1.
Motion occurs when an object changes its __________.
A)mass
B)volume
C)position
D)force
2.
The SI unit of distance is the __________.
A)gram
B)liter
C)meter
D)mile
3.
The distance between an object and a reference point is the object's __________.
A)position
B)velocity
C)displacement
D)neutral point
4.
The distance between the final position and the starting position is the __________.
A)acceleration
B)displacement
C)velocity
D)differential
5.
__________ is the distance an object travels per unit of time.
A)Speed
B)Velocity
C)Acceleration
D)Displacement
6.
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
C)3.7 km south
D)7.1 km north
7.
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)10 km
D)2.8 km/h
8.
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)2.67 km/h
C)4 km/h
D)8 km/h
9.
The direction and speed of an object is described by its __________.
A)displacement
B)average speed
C)average displacement
D)velocity
10.
Average speed is found by __________.
A)dividing the displacement by the total time spent
B)multiplying total distance traveled by the total time
C)dividing total distance traveled by the total time
D)multiplying the displacement by the total time spent
11.
__________ is the speed of an object at any instant of time.
A)Instantaneous speed
B)Average speed
C)Velocity
D)Acceleration
12.
Which of the following equations is used for calculating speed?
A)<i>v</i> = <i>d</i>/<i>t</i>
B)<i>v</i> = <i>t</i>/<i>d</i>
C)<cast>(Q62614go)<i>a</i> = (<i>v</i>[subscript f] - <i>v</i>[subscript I]
D)<cast>(Q62614hp)<i>a</i> = (<i>v</i>[subscript f] - <i>v</i>[subscript I]/<i>t</i>
13.
Which of the following devices is used to indicate instantaneous speed?
A)odometer
B)stopwatch
C)speedometer
D)compass
Physical Science - New York Edition
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