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Motion
Test Description: Test review for motion test ch. 12 CPO Physical Science
Instructions: Answer all questions to get your test result.
1) When an object's distance from another object is changing,
A
it has a high velocity
B
it is accelerating
C
it is in motion
D
it is moving at constant speed
2) A place or object used for comparison to determine if something is in motion is called
A
a reference point
B
velocity
C
a constant
D
a position
3) speed equals distance divided by
A
velocity
B
motion
C
time
D
size
4) When you know both the speed and direction of an object's motion, you know the
A
distance the object has traveled
B
acceleration of the object
C
average speed of the object
D
velocity of the object
5) Average speed is
A
the rate at which an object is moving at a given instant.
B
equivalent to velocity
C
the rate at which a slope changes
D
the total distance traveled divided by the total time.
6) If you know the distance an object has traveled in a certain amount of time, you can determine
A
the acceleration of the object
B
the speed of the object
C
the location of the object
D
the size of the object
7) If the speed of an object does NOT change, the object is traveling at a
A
constant speed
B
average speed
C
increasing speed
D
decreasing speed
8) If a bicyclist travels 30 kilometers in two hours, her average speed is
A
30 km/h
B
2 km/h
C
15 km/h
D
60 km/h
9) If an object moves in the same direction and at a constant speed for 4 hours, which of the following is true?
A
The object decelerated during the 4 hours.
B
the object accelerated during the 4 hours
C
The object's velocity did not change.
D
The object's speed changed during the 4 hours
10) If you know a car traveled 300 kilometers in 3 hours, you can find its
A
direction
B
average speed
C
acceleration
D
velocity
11) A car travels 85 km in the first hour of a trip. The car continues to travel for 2 more hours and travels 200 km. What was the average speed of the car for the trip?
A
285 km/h
B
115 km/h
C
39 km/h
D
95 km/h
12) The rate at which velocity changes is called
A
direction
B
instanteous speed
C
motion
D
acceleration
13) Which of these is an example of deceleration
A
a roller coaster moving down a steep hill
B
a car approaching a red light
C
a bird taking off for flight
D
an airplane following a straight flight path.
14) It is rare for any motion to
A
change quickly
B
stay the same for long
C
increase in velocity
D
decrease in speed
15) In a graph of distance versus time, the slope represents
A
speed
B
displacement
C
potential energy
D
acceleration
16) The rise of a line on a distance-verus-time graph is 400 km and the run is 50 hours. What is the speed of the object represented by this graph?
A
8 km/h
B
450 km/h
C
2000 km/h
D
350 km/h
17) Motion is measured relative to a
A
constant speed
B
meter
C
reference point
D
slope
18) A place or object used for comparison to determine if something is in motion is called
A
reference point
B
speed
C
origin
D
inches
19) If a toy car traveling at 10 cm/s passes a toy car moving at 10 cm/s in the opposite direction, both cars have the same
A
velocity
B
slope
C
speed
D
direction
20) When riding a bicycle past a building, you are not moving relative to the
A
building
B
bicycle
C
water bottle
D
street
*select an answer for all questions
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