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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 is moving at constant speed
B
it has a high velocity
C
it is in motion
D
it is accelerating
2) A place or object used for comparison to determine if something is in motion is called
A
velocity
B
a constant
C
a reference point
D
a position
3) speed equals distance divided by
A
time
B
size
C
motion
D
velocity
4) When you know both the speed and direction of an object's motion, you know the
A
distance the object has traveled
B
velocity of the object
C
average speed of the object
D
acceleration of the object
5) 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.
6) If you know the distance an object has traveled in a certain amount of time, you can determine
A
the size of the object
B
the speed of the object
C
the location of the object
D
the acceleration of the object
7) If the speed of an object does NOT change, the object is traveling at a
A
decreasing speed
B
constant speed
C
increasing speed
D
average speed
8) If a bicyclist travels 30 kilometers in two hours, her average speed is
A
2 km/h
B
30 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's speed changed during the 4 hours
B
The object decelerated during the 4 hours.
C
the object accelerated during the 4 hours
D
The object's velocity did not change.
10) If you know a car traveled 300 kilometers in 3 hours, you can find its
A
acceleration
B
velocity
C
average speed
D
direction
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
39 km/h
C
115 km/h
D
95 km/h
12) The rate at which velocity changes is called
A
instanteous speed
B
direction
C
acceleration
D
motion
13) Which of these is an example of deceleration
A
a car approaching a red light
B
an airplane following a straight flight path.
C
a roller coaster moving down a steep hill
D
a bird taking off for flight
14) It is rare for any motion to
A
change quickly
B
decrease in speed
C
stay the same for long
D
increase in velocity
15) In a graph of distance versus time, the slope represents
A
acceleration
B
potential energy
C
speed
D
displacement
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
2000 km/h
B
450 km/h
C
350 km/h
D
8 km/h
17) Motion is measured relative to a
A
meter
B
constant speed
C
slope
D
reference point
18) A place or object used for comparison to determine if something is in motion is called
A
inches
B
origin
C
speed
D
reference point
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
slope
B
velocity
C
direction
D
speed
20) When riding a bicycle past a building, you are not moving relative to the
A
bicycle
B
street
C
water bottle
D
building
*select an answer for all questions
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