Glencoe Science Level Green

Chapter 23: Newton’s Laws of Motion

Section 1 Self-Check Quiz-Eng.

1
__________ is dependent upon the direction of travel and the distance between the final position and the starting position.
A)Displacement
B)Acceleration
C)Velocity
D)Differential
2
__________ is the distance traveled divided by the time needed to travel that distance.
A)Velocity
B)Acceleration
C)Displacement
D)Speed
3
__________ is the speed of an object at any instant of time.
A)Average speed
B)Velocity
C)Acceleration
D)Instantaneous speed
4
A bicycle rider travels 15 km in 1.25 hours. What is the rider's average speed?
A)22.5 km/h
B)12 km/h
C)13.75 km/h
D)10.5 km/h
5
If a runner maintains a constant speed of 12 km/h, how long will it take him to complete a marathon race of 26.2 miles?
A)2.18 h
B)3.14 h
C)3.52 h
D)5.3 h
6
__________ is displacement divided by the time.
A)Speed
B)Velocity
C)Acceleration
D)Position
7
__________ is the change in velocity divided by the time needed for the change to occur.
A)Average velocity
B)Speed
C)Displacement
D)Acceleration
8
If a car is traveling 100 km/h and comes to a stop in 3 min, what is the car's acceleration?
A)0.15 m/s 2
B)- 0.15 m/s 2
C)-0.56 m/s 2
D)0.56 m/s 2
9
A track runner begins running from the starting line and reaches a race pace of 4 min per mile in 5 s. What is the runner's acceleration?
A)1.33 m/s2
B)6.67 m/s2
C)0.05 m/s2
D)0.001 m/s2
10
Which of the following statements is true?
A)An object does not accelerate if it turns and maintains constant speed.
B)If a moving object slows, it is accelerating.
C)Velocity of a moving object is the distance traveled divided by the time needed to travel the distance.
D)When speed increases gradually, average speed and instantaneous speed are the same.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe