Chapter 1

1.

1 point

The steeper the line, the greater the _____.

direction

motion

displacement

slope

2.

1 point

Velocity describes direction and ______.

speed

motion

displacement

slope

3.

1 point

The description of an object's position depends on the reference point.

True

False

4.

1 point

_____ is the rate of change of position in which the same distance is traveled each second.

instantaneous speed

velocity

constant speed

displacement

5.

1 point

________ is a measure of the change in velocity during a period of time.

Instantaneous speed

Velocity

Acceleration

Motion

6.

1 point

Which of the following is a unit of speed?

h/ml

km/h

m2/s

NxM2

7.

1 point

A model train moves 18.3 m in 122 s. What is the train's average speed?

1.5m/s

0.15m/s

15 m/s

150 m/s

8.

1 point

Calculate the velocity of an object traveling 360m in 4s

900m/s

90m/s

9m/s

0.9m/s

9.

1 point

An airplane rolls down the runway. Compared to which reference point is the airplane in motion?

the cargo the plane carries

the control tower

the pilot flying the plane

the plane's wing.

10.

1 point

A downward curve line on a distance -time graph represents a train that is ______.

speeding up

slowing down

maintaining constant speed

11.

1 point

When a car is slowing down, acceleration and velocity are in the same direction.

True

False

12.

1 point

Finding a position in two dimensions is different than finding a position in one dimension.

True

False

13.

1 point

Which is a unit for acceleration?

kg/m

KgXM/s2

m/s

m/s2

14.

1 point

The words positive and negative are used to describe direction.

True

False

15.

1 point

Which of the following describes the difference between the initial and final position of an object?

motion

dimension

displacement

reference point

16.

1 point

Which describes the greatest displacement ?

walking 3 m east, then 3 m north, then 3 m west

walking 3 m east, then 3 m south, then 3 m east

walking 3 m north, then 3 m south, then 3 m north

walking 3 m north, then 3 m west, then 3 m south

17.

1 point

What is your displacement if you walked from class 20 feet to the front of the school and walked back to class?

0 ft

20 ft

40 ft

60 ft

18.

1 point

The steeper the line, the greater the _____.

distance

motion

displacement

slope

19.

1 point

Which of the following does not describe typical units for speed?

m/s2

m/s

km/h

mph

20.

1 point

To describe a position in more than one dimension, you must use more than one

displacement

reference direction

type of motion

reference point

21.

1 point

____is a measure of the distance an object travels per unit of time.

speed

displacement

motion

velocity

22.

1 point

Velocity describes speed and _________.

movement

distance

direction

position

23.

1 point

What is the speed for a car that traveled 50 miles in 2 hours?

50 mph

100 mph

25 mph

2.5 mph

24.

1 point

Which of the following is not used to describe position?

location

reference point

distance

direction

25.

1 point

A train that stopped for 5 seconds is represented by a _____ on distance-time graph.

diagonal

horizontal

upward curve

downward curve