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WorksheetsUnit 2 Motion Test Review
Total questions: 62
Worksheet time: 33mins
What is motion?
An object's speed
An object's change in position relative to a reference point
The distance an object travels
The time it takes to move
Which measurement device would you use to find speed?
Ruler and clock
Thermometer and scale
Measuring tape and stopwatch
Balance and graduated cylinder
What two measurements do you need to calculate speed?
Mass and time
Distance and direction
Distance and time
Time and acceleration
A frame of reference is:
A picture frame
A system for specifying the location of objects in space and time
The speed of an object
The path an object takes
What is the difference between distance and displacement?
They are the same thing
Distance measures path taken; displacement includes direction
Distance includes direction; displacement measures path taken
Distance is in meters; displacement is in seconds
A car travels 30 km north, then 20 km south. What is the displacement?
50 km
10 km north
10 km south
50 km north
What is the SI unit for speed?
mph
km/h
m/s
ft/s
Speed tells us:
How fast an object moves
The direction of motion
Both speed and direction
The acceleration of an object
Velocity tells us:
Only how fast an object moves
Only the direction of motion
Both speed and direction
The distance traveled
On a distance vs. time graph, what does the slope represent?
Distance
Time
Speed
Acceleration
If a distance vs. time graph shows a horizontal line, the object is:
Moving at constant speed
Accelerating
At rest
Moving backward
What is acceleration?
How fast something moves
The rate at which velocity changes
The distance traveled
The direction of motion
An object accelerates when:
Only its speed changes
Only its direction changes
Its speed, direction, or both change
It moves in a straight line
What are the units for acceleration?
m/s
m/s²
m/s³
m²/s
Positive acceleration means an object is:
Slowing down
Speeding up
At rest
Moving backward
A person on a Ferris wheel moving at constant speed is:
Not accelerating
Accelerating due to changing direction
Accelerating due to changing speed
Moving in a straight line
On a speed vs. time graph, what does the slope represent?
Speed
Distance
Acceleration
Velocity
If a speed vs. time graph shows a horizontal line, the object has:
Zero acceleration
Positive acceleration
Negative acceleration
Constant acceleration
How many fundamental forces are there in nature?
Two
Three
Four
Five
Which fundamental force do you experience every day?
Strong nuclear force
Weak nuclear force
Electromagnetic force
Gravitational force
What is a net force?
A force that acts through a net
The combination of all forces acting on an object
The strongest force acting on an object
A force that moves in circles
When forces are balanced:
Net force equals zero
Net force is positive
Net force is negative
Net force is maximum
When there is a net force acting on an object, the object:
Remains at rest
Moves at constant speed
Accelerates in the direction of the net force
Changes direction only
What is friction?
A force that helps motion
A force that opposes motion between surfaces in contact
A force that acts at a distance
A fundamental force
Which type of friction acts on objects at rest?
Kinetic friction
Static friction
Rolling friction
Sliding friction
Which type of friction acts on moving objects?
Static friction
Kinetic friction
Gravitational friction
Magnetic friction
Rolling friction is generally _______ than sliding friction.
Greater
Less
Equal to
Twice as much as
Static friction is generally _______ than kinetic friction.
Less
Greater
Equal to
Half as much as
Which would INCREASE friction?
Using oil as a lubricant
Adding a nonstick coating
Scattering sand on ice
Waxing a car
Which would DECREASE friction?
Using sandpaper
Adding rubber treads
Using motor oil
Making surfaces rougher
Cars need friction to:
Reduce fuel consumption
Move forward and stop
Go faster
Turn off the engine
If there were no friction between car tires and the road:
Cars would go faster
Cars could not move forward
Cars would use less fuel
Cars would be safer
A car moving at constant speed has:
Unbalanced forces
No forces acting on it
Balanced forces
Only friction acting on it
When a car accelerates, the driving force is _______ the friction force.
Less than
Equal to
Greater than
Half of
Contact forces require objects to:
Be far apart
Be touching each other
Be made of metal
Be moving
A cyclist travels 120 km in 4 hours. What is the cyclist's average speed?
30 km/h
480 km/h
124 km/h
116 km/h
How long does it take to travel 150 miles at 60 mph?
2.5 hours
90 hours
210 hours
3.6 hours
A car travels at 25 m/s for 8 seconds. How far does it go?
3.1 meters
33 meters
17 meters
200 meters
A runner's speed increases from 3 m/s to 7 m/s in 2 seconds. What is the acceleration?
2 m/s²
5 m/s²
10 m/s²
4 m/s²
A ball rolling down a hill accelerates at 3 m/s² for 6 seconds, starting from rest. What is its final speed?
18 m/s
9 m/s
2 m/s
0.5 m/s
A plane decelerates from 80 m/s to 20 m/s in 12 seconds. What is its acceleration?
5 m/s²
-5 m/s²
8.3 m/s²
-8.3 m/s²
Convert 72 km/h to m/s:
20 m/s
72 m/s
259 m/s
7.2 m/s
A distance vs. time graph shows a line from (0s, 0m) to (5s, 25m). What is the speed?
5 m/s
25 m/s
30 m/s
0.2 m/s
On a speed vs. time graph, a line goes from (2s, 10 m/s) to (6s, 30 m/s). What is the acceleration?
5 m/s²
20 m/s²
4 m/s²
10 m/s²
A train travels 300 km in the first 2 hours, then 200 km in the next 4 hours. What is the average speed for the entire trip?
83.3 km/h
125 km/h
100 km/h
250 km/h
Motion is relative to a frame of reference.
True
False
Distance and displacement always have the same value.
True
False
Speed and velocity mean exactly the same thing.
True
False
The slope of a distance vs. time graph represents speed.
True
False
An object can have zero speed but non-zero velocity.
True
False
Acceleration only occurs when an object speeds up.
True
False
A car going around a curve at constant speed is accelerating.
True
False
The SI unit for acceleration is m/s².
True
False
Negative acceleration always means an object is moving backward.
True
False
All forces are either pushes or pulls.
True
False
Balanced forces always result in zero acceleration.
True
False
Friction always opposes motion.
True
False
Static friction is always less than kinetic friction.
True
False
Rolling friction is usually greater than sliding friction.
True
False
Without friction, cars could not move forward.
True
False
Match the following
Rate of change of velocity
Acceleration
Change in position relative to reference point
Motion
Distance traveled divided by time
Speed
System for locating objects in space and time
Frame of reference
Speed in a particular direction
Velocity
Match the following:
Combination of all forces on an object
Net force
Force between moving surfaces
Kinetic friction
Force that acts at a distance
Field force
Force between surfaces at rest
Static friction
Force requiring objects to touch
Contact force
