# Graphs of Velocity and Acceleration

### Look at the animation and graphs of constant positive velocity. Then answer the questions.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) acceleration   b) position
c) zero
d) constant velocity
e) positive velocity

1. _____ The “dot-trail” shows that the object has equal _______ intervals.

2. _____ Therefore we can say that the dot moves at ________.

3. _____The upward slope of the position-time graph shows that the object is traveling with a constant ___________ .

4. _____The velocity-time graph shows a horizontal line with a _____ slope.

5. _____ This means that there is no ________.

6. _____The line in the velocity-time graph is located in the positive region of the graph
corresponding to a  _________.

7. _____The acceleration-time graph shows a horizontal line at the _____ mark.
(Answers: b, d, e, c, a, e, c)

### Look at the animation and graphs on constant negative velocity to answer  the questions below.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) acceleration   b) zero
c) negative velocity

1. _____ The downward slope of the position-time graph shows that the object  is traveling with a constant ______ __________ .

2. _____The velocity-time graph shows a horizontal line with a _____ slope.

3. _____ This means that there is no ________.

4. _____The line in the velocity-time graph is located in the negative region of the graph
corresponding to a _______ ________.

5. _____The acceleration-time graph shows a horizontal line at the _____ mark.
(Answers: c, b, a, c, b)

### Look at the animation and graphs on positive velocity and acceleration to answer  the questions below.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) velocity
b) positive velocity
c) positive
d) positive acceleration

1. _____ An object that moves in the positive direction has a _____velocity.

2. _____ If the object is speeding up, then its acceleration is directed in the same
direction as its motion. This means that the object has   ______.

3. _____ The “dot trail” shows that each consecutive dot is not the same distance
apart. Therefore the _________ is changing.

4 _____ The position-time graph shows that the slope is changing meaning that  the ______ is   changing.

5. _____ The velocity-time graph is located in the positive region of the graph indicating a  _____________.

6. _____ The v-t line has a positive slope meaning that there is a _________ acceleration.

7. _____ The acceleration-time graph shows a horizontal line in the_____ region  of  the graph.

8. _____ This means that the object has a  ____________.

(Answers: c, b, d, a, b, c, c, d)

### Look at the animation and graphs on positive velocity and negative acceleration to answer  the questions below.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) positive velocity
b) negative
c) negative acceleration

1. _____ If the object is slowing down, then its acceleration is directed in the
opposite direction as its motion. This means that the object has  ________.

2. ______The velocity-time graph is located in the positive region of the graph  indicating a _____________.

3. _____ The velocity-time graph line has a negative slope meaning that there is a _________
acceleration.

4. _____ The acceleration-time graph shows a horizontal line in the_____ region  of the graph.

5. _____ This means that the object has a ____________.
(Answers: c, a, b, b, c)

### Look at the animation and graphs on negative velocity and negative acceleration to answer  the questions below.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) negative
b) negative acceleration

1. _____If the object is speeding up, then its acceleration is directed in the same  direction as its motion. This means that the object has ______ .

2. _____ The position-time graph shows a __________ slope.

3. _____ This means that the velocity is ___________.

4. _____ The v-t line has a negative slope meaning that there is a  _________acceleration.

5. _____ The acceleration-time graph shows a horizontal line in the_____ region of the graph.

6. _____ This means that the object has a ______________.
(Answers: b, a, a, a, a, b)

### Look at the animation and graphs on negative velocity and positive acceleration to answer the questions below.

Choose the letter with the word or phrase that completes the sentence. They may be used more than once.
a) negative velocity
b) positive
c) positive acceleration

1. _____ An object that moves in the negative direction has a _________.

2. _____ If the object with a negative velocity is slowing down, then its acceleration is directed  in the opposite direction as its motion. This means that the object has  ___________.

3. _____ The velocity-time line has a positive slope meaning that there is a _________
acceleration.
(Answers: a, c, b)
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