Worksheets7-2 Acceleration Review
Total questions: 50
Worksheet time: 38mins
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
It speeds up
Acceleration only occurs when things speed up.
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.
If velocity is measured in meters/second and time is measured in seconds, the unit of acceleration is... (select all that apply)
m/s/s
m/s2
m/s
m
If velocity is measured in miles/hour and time is measured in seconds, the unit of acceleration is
mi/hr/s
mi/s2
mi/hr2
mi
While driving at an average velocity of 15.6 m/s down the road, a driver slams on the brakes to avoid hitting a squirrel. The car stops completely in 4.2 seconds. What is the average acceleration of the car?
What should your answer's final unit(s) for this problem be? Select all that apply.
m/s/s
m/s2
m/s
m
33.5 km/s2
0.03 km/s2
-33.5 km/s2
-0.03 km/s2
Acceleration is
the rate at which velocity changes.
the change in velocity.
only allowed to be positive.
only when the object speeds up.
A sports car is advertised as being able to go from 0 to 60 mi/h in 6.00 seconds. What is the sports car’s average acceleration?
What should be your answer's final unit(s) be for this problem?
mi/hr/s
m/s/s
m/s
mi/hr
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.
Which of the following is not accelerating?
a ball being juggled
a woman walking at 2.5 m/s along a
straight road
a satellite circling Earth
a braking cyclist
What is the final velocity of a rocket that travels for 4 seconds, has an initial velocity of 12 km/s and an acceleration of 2 km/s2?
-4 km/s
10 km/s
20 km/s
-10 km/s
If an object is only accelerating due to the force of gravity, it is considered to be in:
limbo.
free fall.
constant motion.
pergatory.
The acceleration due to gravity is represented by which symbol?
a
g
v
t
-9.8 m/s/s is a constant acceleration value for any object in free fall (vertical acceleration). Under what condition could this constant change?
if the object is thrown up into the air with an initial velocity
if the object is thrown towards the ground with an initial velocity
if the object is located outside of planet Earth
if the object is moving horizontally as well
Which of the following acceleration units is NOT from the SI (metric) system?
m/min/min
m/s2
mi/hr/s
km/hr/min
A steeper slope on a velocity vs. time graph indicates a _____________ acceleration rate.
faster
slower
constant
zero
The slope of any velocity vs. time graph ALWAYS represents which variable?
position
velocity
time
acceleration
The slope of any position vs. time graph ALWAYS represents which variable?
position
velocity
time
acceleration
If an object is moving at constant speed, there will be ________________ acceleration.
faster
slower
zero
constant
Suppose you are moving forward with a velocity of 5 m/s. What happens to your motion if you have a negative acceleration?
You continue moving in the same direction at 5 m/s.
You begin moving backwards at the same velocity.
You continue moving forward while speeding up.
You continue moving forward while slowing down.
Initial velocity is also known as an object's:
starting speed.
ending speed.
acceleration.
change in speed.
Final velocity is also known as an object's:
starting speed.
ending speed.
acceleration.
change in speed.
You are solving for vf. Which unit would be appropriate to use as its label?
m/s
m/s/s
m
s
You are solving for t. Which unit would be appropriate to use as its label?
m/s
m/s/s
m
s
Describe the motion of the object.
The object is speeding up.
The object is slowing down.
The object is moving backward.
The object is maintaining a constant speed.
Describe the motion of the object.
The object is speeding up.
The object is slowing down.
The object is moving forward.
The object is maintaining a constant speed.
Describe the motion of the object.
The object is speeding up.
The object is slowing down.
The object is accelerating.
The object is maintaining a constant speed.
Describe the motion of the object.
The object is not moving.
The object is maintaining its position.
The object is accelerating.
The object is maintaining a constant speed.
Describe the motion of the object.
The object is climbing a hill.
The object is accelerating positively.
The object is accelerating negatively.
The object is maintaining a constant speed.
What does the slope tell you about the object's acceleration?
The acceleration is increasing.
The acceleration is decreasing.
The acceleration is constant.
The slope does not represent acceleration.
What is the acceleration for an object moving with a constant speed?
positive
negative
zero
Is the driver accelerating?
She changes direction while maintaining a constant speed.
YES
NO
Is the driver accelerating?
She hits the brakes to stop before a red light.
YES
NO
Is the driver accelerating?
She maintains a constant speed of 37 miles per hour while traveling north.
YES
NO
You accidentally drop your phone in the toilet after attempting a ridiculous bathroom selfie. If the phone took 0.4 seconds to hit the water, determine its velocity right before it splashed.
-3.92 m/s
-24.5 m/s
-9.8 m/s/s
This cannot be answered without knowing the phone's mass.
Which of the following statements is TRUE about objects in free-fall motion?
Acceleration increases as they fall.
Velocity increases as they fall.
They cover less distance each second they fall.
They will change their rate of acceleration depending on the shape of the object.
