WorksheetsFree Fall and Projectile Motion Quiz Review
Total questions: 51
Worksheet time: 5hrs 54mins
What variable letter is altitude or height?
dx
vx
dy
vy
What is the vertical acceleration of a projectile?(neglect air resistance)
0 m/s2
9.8m/s2
What variable letter is range or horizontal displacement?
dx
vx
dy
vy
What variable is vertical velocity?
dx
vx
dy
vy
What variable is horizontal velocity?
dx
vx
dy
vy
Which projectile has a longer range?
0°
45°
90°
they are equal
The path followed by a projectile is also known as its
trajectory
range
height
vertical displacement
What is the velocity of a projectile at its highest point?
9.8 m/s2
9.8 m/s
0 m/s2
0 m/s
At which point can we measure the maximum range of the projectile? (it's landing point)
A
C
D
E
At what point can we measure the maximum height?
A
B
C
D
None of these points
At which point is the velocity of the object the same as the initial velocity at A?
A
C
D
E
At which point could you measure half the time the projectile is in the air?
A
C
D
E
At which point is our object slowing down?
B
D
E
All points
At which of the following places does a projectile have the greatest acceleration?
At the peak of its trajectory
Half way to the peak
At the instant it is launched
All points have the same acceleration
At what point is vy= 0 m/s?
A
B
C
D
None of these points
At what point is vx= 0 m/s?
A
B
C
D
None of these points
At what point is vx= 0 m/s?
A
B
C
D
None of these points
Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?
Who do you agree with?
Anita: “A projectile’s vx changes because of gravity, and its vy remains constant.”
Barry: “Both vx and vy are constant.”
Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”
Dave: “A projectile has vertical acceleration and a constant horizontal velocity”
Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?
A
B
Both at the same time
Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground farther from the base of the cliff?
A
B
Both at the same distance
Poor Tugg Speedman fell out a helicopter that was moving at a horizontal speed of 80 m/s. Luckily, Tugg landed in a pool 2.5 seconds later. Assuming there was no air resistance, what was the horizontal distance between where Tugg came out of the helicopter and the pool?
160 m
200 m
80 m
120 m
Poor Tugg Speedman fell out a helicopter that was moving at a horizontal speed of 80 m/s. Luckily, Tugg landed in a pool 2.5 seconds later. What was the vertical height of the helicopter?
31 m
62 m
25 m
12 m
An Alaskan rescue plane drops a package of emergency rations to a stranded party of explorers. The plane is traveling horizontally at 50 m/s at a height 125 m above the ground. Where does the package strike the ground relative to where it was released?
50 m
100 m
150 m
250 m
A projectile is launched from a height with an initial horizontal velocity of 20 m/s. If the projectile flies for 40 seconds, what is its horizontal velocity just before it hits the ground?
20 m/s
2 m/s
800 m/s
0 m/s
In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.
kinematics
free fall
mechanics
velocity
The standard acceleration due to gravity (or standard acceleration of free fall),is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as:
9.8 m/s.
9.8 m.
9.8 m/s2.
9.8 s.
Juan is standing on the top observation deck of the Eiffel Tower in Paris at a height of 300 meters. He drops his cell phone. How fast will the phone be traveling when it hits the ground? Ignore the effect of air resistance.
9.8 m/s
76.68 m/s
149.76 m/s
46.99 m/s
A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
6m/s
36m/s
60m/s
12m/s
A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground
the velocity increases
the velocity decreases
the velocity remain constant
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What direction is the velocity of the ball?
upward
downward
A baseball is thrown up into the air. What direction is the acceleration of the ball?
upward
downward
A textbook is dropped from a second floor window and falls to the ground. What direction is the velocity?
upward
downward
A textbook is dropped from a second floor window and falls to the ground. What direction is the acceleration?
upward
downward
If a rock is dropped, how long will it take it to reach a speed of 45 m/s?
1-s
4.6-s
9.8-s
460-s
When a cliff diver dives from a cliff, she takes 6 seconds to hit the water (or the jagged rocks). If you assume she started from rest, how tall is the cliff she is diving from?
30-m
15-m
60-m
180-m
A rock is in free fall on Earth. If it starts from rest, how fast will it be going after 4 seconds?
2.5-m/s
39-m/s
78-m/s
100-m/s
A ball is dropped from a 35-m tall building. How long does it take to hit the ground?
3.6-s
1.9-s
2.7-s
7.1-s
A ball is thrown upward at 13.5-m/s. What will its speed be when it reaches its maximum height?
0-m/s
9.8-m/s
13.5-m/s
6.75-m/s
A ball is thrown upward at 13.5-m/s. What will the magnitude of its acceleration be when it reaches its maximum height?
0-m/s2
9.8-m/s2
13.5-m/s2
6.75-m/s2
When a rubber ducky is dropped from a height of 35-m, how far will it fall in 0.45-s?
0.99-m
2.21-m
3.54-m
9.8-m
