AnswersAA-F26 Physical ScienceIntroduction to Motion

Introduction to Motion Answers

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The diagram shows a vertical number line.

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A
–16
B
–12
C
12
D
16
2
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Two cars started at the same position and were driven through a city using different streets. The red car traveled north 2 miles, then east 4 miles, and then south 6 miles. The green car traveled south 4 miles and then east 4 miles. Both cars ended at the same location.Which best compares the motion of the cars?

A
The red car traveled a shorter distance, but the displacement of the cars was equal.
B
The green car traveled a shorter distance, but the displacement of the cars was equal.
C
The green car had a shorter displacement, but the distance traveled by the cars was equal.
D
The red car had a shorter displacement, but the distance traveled by the cars was equal.
3

Keisha told her friend that she can get to the town library by walking one mile east, turning left, and then walking a half a mile north.Which best describes how Keisha can improve these instructions to better help her friend find the library?

A
using meters as the unit instead of miles
B
drawing a picture of the library on a line diagram
C
estimating the amount of time to get to the library
D
providing a reference point
4

What is required in order to determine whether or not an object moves?

A
a reference point
B
distance
C
displacement
D
standard units
5

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the right. What is the displacement of the object?

A
1
B
5
C
7
D
13
6

Julie finds a snail on the sidewalk and wants to know whether or not the snail moves throughout the day. She places a single mark on the sidewalk next to the snail.What will Julie use the mark for initially?

A
determining how fast the snail moves
B
acting as a standard unit of measure
C
determining the displacement of the snail
D
acting as a reference point for detecting motion
7

Manny walked a total of 3 miles. The reference point used to calculate the total distance that he walked was the same as the ending point.Which describes where Manny most likely walked?

A
from the bottom of a hill to the top
B
on a circular nature trail
C
on a sidewalk from his house to the mall
D
from the beginning of a straight track to the end
8

Sonya is playing a board game, and each space on the board game measures 1 centimeter. She moves her game token 5 spaces up from the start position. Then she moves it 5 spaces to the left. Finally, Sonya moves her token 2 spaces down.What is the total distance the token moved?

A
2 cm
B
8 cm
C
12 cm
D
15 cm
9

An object starts at position 12 on a horizontal line with a reference point of 0. What is the position of the object if it moves 14 units to the left?

A
–26
B
–2
C
2
D
26
10

A linear track begins at 0 meters and has a total distance of 100 meters to the finish line. Juliet starts at the 10-meter mark while practicing for a race.After running 45 meters, how far is she from the beginning of the track?

A
10 meters
B
35 meters
C
45 meters
D
55 meters

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