Physical Science Ch 9 Motion
This is a quiz on Chapter Nine Motion with an emphasis on Describing and Measuring Motion, Speed and Velocity and Acceleration.
- 1.When an object's distance from another object is changing.
- A.
It is in motion
- B.
It is speeding
- C.
It has a high velocity
- D.
It is acceleration
- 2.Speed equals distance divided by
- A.
Time
- B.
Velocity
- C.
Size
- D.
Motion
- 3.When you know both the speed and direction of an object's motion, you know the
- A.
Average speed of the object
- B.
Acceleration of the object
- C.
Distance the object has traveled
- D.
Velocity of the object
- 4.The rate at which velocity changes is called
- A.
Instantaneous speed
- B.
Direction
- C.
Acceleration
- D.
Motion
- 5.Which of these is an example of deceleration?
- A.
A bird taking off for flight
- B.
A roller coaster moving down a steep hill
- C.
A car approaching a red light
- D.
An airplane following a straight path
- 6.To determine the acceleration rate of an object, you must calculate the change in speed during each unit of
- A.
Velocity
- B.
Time
- C.
Motion
- D.
Deceleration
- 7.Average speed is
- A.
Equivalent to velocity
- B.
The rate at which an object is moving at a given instant
- C.
The rate at which a slope changes
- D.
The total distance traveled divided by the total time
- 8.A place or oject used for comparison to determine if something is in motion is called
- A.
A position
- B.
A reference point
- C.
A constant
- D.
Velocity
- 9.On a graph showing distance versus time, a horizontal line represents an object that is
- A.
Moving at a constant speed
- B.
Increasing its speed
- C.
Decreasing its speed
- D.
Not moving at all
- 10.Changing direction is an example of a kind of
- A.
Acceleration
- B.
Speed
- C.
Velocity
- D.
Constant rate
- 11.A bicyclist travels 30 kilometers in two hours, her average speed is
- A.
30 km/h
- B.
60 km/h
- C.
15 km/h
- D.
2 km/h
- 12.In an acceleration graph showing speed versus time, a straight line shows the acceleration is
- A.
Decreasing
- B.
Increasing
- C.
Changing
- D.
Constant
Questions: 15 | Attempts: 6508 | Last updated: Feb 22, 2021
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