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WorksheetsPS M2 Motion - Test Review
Total questions: 57
Worksheet time: 56mins
Two cars start at the same point and drive in a straight line for 5 km. At the end of the drive their distances are the same but their displacements are different. Explain.
The cars traveled in opposite directions and returned to the starting point.
The cars traveled in the same direction but one took a longer route.
The cars traveled in opposite directions and ended at different points.
The cars traveled in a circular path and ended at the starting point.
The slope of a position-time graph of an object gives the speed of the object.
True
False
The position-time graph of an object moving with a constant average velocity is always a straight line.
True
False
The y-intercept of a position-time graph of an object gives the average velocity of the object.
True
False
Acceleration can never be negative. True or False.
True
False
Acceleration is defined as the rate of change of position. True or False.
True
False
The momentum of a 5000-kg truck that is standing still is greater than the momentum of a 3,000-kg truck that is also at rest. True or False.
True
False
Jane is on a merry-go-round that is moving at a constant speed. Her velocity is also constant. True or False.
True
False
Construct a distance-time graph that shows the forward progress of Sunny The Dog in a straight line for 20 m over the course of 4 s.
a
b
c
d
If you ride your bicycle down a straight road for 800 m then turn around and ride back, your distance is (a) m.
Motion is a change in ____.
a. time
b. speed
c. velocity
d. position
3 m/s north is an example of a(n) ____.
a. speed
b. velocity
c. position
d. acceleration
A single point on a distance-time graph tells the ____.
instantaneous speed
average speed
constant speed
average velocity
A horizontal line on a velocity/time graph shows (a) acceleration.
positive
negative
zero
A man starts his car from rest and accelerates at 1 m/s² for 2 s. He then continues at a constant velocity for 10 s until he sees a tree blocking the road and applies brakes. The car, decelerating at 1 m/s², finally comes to rest. Which of the following graphs represents the motion correctly?
(graph a)
(graph b)
(graph c)
(graph d)
Which of the following is NOT an example of accelerated motion?
a. a boulder falling off of a cliff in a straight path
b. an airplane taking off down a straight runway
c. a bicyclist moving in a straight line at constant speed
d. a ball being thrown straight up
The path of a projectile is (a) .
curved
always horizontal
always vertical
straight
A real car moving at 10 km/h has more momentum than a toy car moving at the same speed because the real car ____.
generates less friction
has greater mass
has less mass
has greater forward motion
To describe velocity you need to know ____.
speed and direction
speed and time
direction and acceleration
speed and acceleration
A car is moving with a constant speed of 16.0 m/s along a straight path. The distance covered by the car in 13.0 min is (a) m.
21. _______________ is a measure of how far an object has moved.
Distance
Velocity
Time
Acceleration
The speed and direction with which an object moves is its _________________.
Velocity
Acceleration
Momentum
Force
The distance an object travels per unit of time is _________________.
Speed
Velocity
Acceleration
Momentum
The slope of the distance-time graph gives the _________________.
Speed
Acceleration
Distance
Time
Acceleration occurs when an object changes its ________________ or ________________ or both.
Speed, Direction
Mass, Volume
Color, Texture
Temperature, Pressure
An object changing its speed from 12 m/s to 8 m/s is undergoing ________________ acceleration.
Negative
Positive
Zero
Constant
As a car slows down approaching a red traffic light its ________________ is negative.
Acceleration
Speed
Velocity
Distance
When calculating acceleration, to find the change in velocity, you subtract the ________________ velocity from the ________________ velocity.
Initial, Final
Final, Initial
Starting, Ending
Ending, Starting
The speed you read from your speedometer is your ________________.
Instantaneous Speed
Average Speed
Velocity
Acceleration
If your speed changes from 10 km/h to 6 km/h, you have a(n) ________________ acceleration.
Negative
Positive
Zero
Constant
Three ways to accelerate an object are to ________________, ________________, or ________________.
Speed up, Slow down, Change direction
Increase mass, Decrease mass, Keep mass constant
Increase volume, Decrease volume, Keep volume constant
Increase temperature, Decrease temperature, Keep temperature constant
Momentum has the same direction as ________________.
Velocity
Acceleration
Force
Displacement
How is displacement different from distance? Under what conditions can an object travel a certain distance and yet its resultant displacement be zero?
Displacement is a vector quantity and distance is a scalar quantity. An object can travel a certain distance and yet its resultant displacement be zero if it returns to its starting point.
Displacement is a scalar quantity and distance is a vector quantity. An object can travel a certain distance and yet its resultant displacement be zero if it returns to its starting point.
Displacement and distance are both vector quantities. An object can travel a certain distance and yet its resultant displacement be zero if it returns to its starting point.
Displacement and distance are both scalar quantities. An object can travel a certain distance and yet its resultant displacement be zero if it returns to its starting point.
Given below is the distance-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average speed.
Nick has greater average speed.
Ian has greater average speed.
Both have the same average speed.
Cannot be determined from the graph.
If Fluffy, a greyhound, travels 12 m in 3 s, he is traveling at a speed of (a) m/s.
An inline skater is skating around a parking lot. Can she have constant speed and a changing velocity? Changing speed and constant velocity?
Yes, she can have constant speed and changing velocity but not changing speed and constant velocity.
Yes, she can have changing speed and constant velocity but not constant speed and changing velocity.
No, she cannot have constant speed and changing velocity or changing speed and constant velocity.
Yes, she can have both constant speed and changing velocity, and changing speed and constant velocity.
A car is driving down a road. Is it possible for its position to be changing and its acceleration to be zero? Is it possible for its velocity to be changing and its acceleration to be zero? Explain.
Yes, both are possible.
No, neither is possible.
Position can change with zero acceleration, but velocity cannot.
Velocity can change with zero acceleration, but position cannot.
If someone is walking on a moving bus, name two reasonable reference points you might use to describe his or her motion.
The seats and the floor of the bus
The driver and the road outside
The bus and a tree outside
The wheels and the ceiling of the bus
A cross-country runner runs 13 km in 34 minutes. His average speed is (a) m/s.
(Round your answer to the nearest 1/10th.)
The acceleration of a car that goes from 65 m/s to 90 m/s in 5.0 s is (a) m/s/s.
The distance traveled by a vehicle in 18 minutes, if its speed is 38 km/h is (a) km.
Complete Table 3-1 by calculating the missing values.
176
Value A
11.36
Value B
27.67
Value C
9.7
Value D
A stationary object has a small amount of momentum.
True
False
What is motion?
the stopping of an object to a frame of reference
a change in position relative to a frame of reference
the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge
a change in the time in which it takes to get an office referral
800
400
0
200
82 meters N
18 meters N
18 meters S
82 meters S
A car drives 84 meters forward. It's displacement and distance would be the same magnitude.
True
False
A place or object (like a stop sign or mailbox) used for comparison to determine if another object is in motion is called a
comparison point
frame of reference
point of view
motion detector
What does it mean when a change in velocity is negative?
The object is speeding up.
The object is slowing down.
The object is changing direction.
The object is falling down.
