# Motion Question Preview (ID: 166)

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Goal 2 - The Learner Will Construct An Understanding Of Forces And Motion
Objective 2.01 - Measure And Mathematically/graphically Analyze Motion.
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**Which of the following BEST describes the difference between speed and velocity?**

a) Velocity includes distance and direction while speed only includes distance.

b) Velocity includes distance and direction while speed only includes direction.

c) Speed includes distance and direction while velocity only includes distance.

d) Speed includes distance and direction while velocity only includes direction.

**A car travels west reaching a velocity of 6 m/s in 3 seconds. What is its acceleration?**

a) 0.5 m/s/s

b) 2 m/s/s

c) -0.5 m/s/s

d) -2 m/s/s

**On a velocity-time graph, where the x-axis represents time and the y-axis represents velocity, a horizontal line shows ___________ acceleration.**

a) positive

b) negative

c) changing

d) zero

**Tyler walked a distance of 1.60 km in 30 minutes. What is his average speed in m/s?**

a) 0.05 m/s

b) 0.89 m/s

c) 48 m/s

d) 18.75 m/s

**If you ride your bicycle down a straight road for 500 m then turn around and ride back, your distance is _________________ your displacement.**

a) greater than

b) less than

c) equal to

d) cannot be determined

**A merry-go-round horse moves at a constant speed but at a changing ______________.**

a) inertia

b) velocity

c) balanced forces

d) unbalanced forces

**Acceleration is the rate of change in ____________________.**

a) position

b) time

c) velocity

d) force

**On a velocity-time graph, negative acceleration is indicated by ____________________.**

a) a plotted line sloping upward to the right

b) a plotted line sloping downward to the right

c) a horizontal line

d) a plotted line sloping downward to the left

**Which of the following does NOT cause the velocity of a car to change?**

a) speeding up

b) slowing down

c) going around a curve

d) traveling at a constant speed in the same direction

**A car traveling with an initial velocity of 45 m/s comes to a stop in 3 s. Calculate the car's acceleration?**

a) 15 m/s/s

b) 7.5 m/s/s

c) -15 m/s/s

d) -7.5 m/s/s

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