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Projectile Motion Review

Total questions: 34

Worksheet time: 2hrs 37mins

Name
Class
Date
1.

Based on the diagram, at what angle should the soccer player kick the ball to reach the longest distance/range?

a)

At 75* degrees

b)

At 15* degrees

c)

At 45* degrees

d)

At 30* degrees

2.

The path of a projectile is a

a)

parabola

b)

hyperbola

c)

a tangent

d)

circle

3.

If you throw a baseball in deep space where there is no gravity or air resistance...

a)

the ball will keep going in a straight line

b)

the ball would not go anywhere

c)

the ball falls to toward earth

d)

the ball will spin

4.

Which component of velocity stays constant, the horizontal or the vertical?

a)

The vertical stays constant

b)

The horizontal component stays constant

c)

both, the horizontal and the vertical change the same

d)

neither component change

5.

Which component of velocity changes due to gravity?

a)

The vertical component changes

b)

The horizontal component changes

c)

Both components change the same

d)

Neither component changes

6.

The formula to find the Resultant velocity is...

a)

The pythagorean theorem

V=Vx2 +Vy2V=\sqrt[]{V_x^2\ +V_y^2}  

b)

The Equilibrium Rule

ΣF =0\Sigma F\ =0  

c)

The Action-Reaction Formula

F12 =−F21F_{12\ }=-F_{21}  

d)

The Circumference Formula

C=2πrC=2\pi r  

7.

If you fire a projectile with an initial vertical velocity of 30m/s, how many seconds will it take to reach the highest point?

a)

It will reach the highest point in 2 seconds

b)

It will take about 3 seconds

c)

It will take 10 seconds

d)

It will take 6 seconds

8.

If you wanted to score a goal. What two angles would you choose to kick the ball?

a)

Either 75 or 15

b)

Either 60 or 30

c)

75 or 45

d)

90 or 180

9.
a)

Air resistance makes the projectile go farther

b)

Air resistance make the projectile go higher

c)

Air resistance makes the projectile to go lower and shorter distance

d)

Air resistance doesn't affect the trajectory of the ball

10.

Falling objects of different masses accelerate equally regardless of their masses when there is no air resistance. 

a)

True

b)

False

c)

I still don't understand how objects fall

11.

Follow the explanations on projectile motion in basketball. Questions:

1. At what speed and angle should Dwight Howard throw the ball for a perfect throw every time?

2. What did you learn from watching this video?

4 lines
12.

Watch the video and respond to the questions.

1. How is projectile motion described?

2. What examples are given of projectiles?

3. What interferes with a perfect projectile trajectory?

4. Any interesting or cool thing you learn.

4 lines
13.

Explain how projectile motion might have a connection to your project.

4 lines
14.

Which cannonball strikes/hits the ground first, the one fired from the cannon or the one dropped?

a)

The ball fired forward hits the floor first

b)

The ball being dropped hits the floor/groun first

c)

Both hit the floor/ground at the same time

d)

They will take turns

15.
If you throw a baseball straight up, what is its acceleration at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
16.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
17.
Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?
a)
A
b)
B
c)
Both objects hit the ground at the same time
d)
unable to determine with the given information
18.
The shape of the path a projectile follows...
a)
circular
b)
linear
c)
wavy
d)
parabolic
19.
What is the vertical acceleration of a projectile?(neglect air resistance) 
a)
0 m/s2
b)
9.8 m/s2
20.

What is the direction of the acceleration for any projectile?

a)

The direction the projectile is traveling.

b)

Down

c)

Up

d)

Sideways

21.

A projectile is fired with initial velocity vo at an angle θ0 with the horizontal and follows the trajectory shown above. Which of the following pairs of graphs best represents the vertical components of the velocity and acceleration, v and a, respectively, of the projectile as functions of time t?

a)
b)
c)
d)
e)
22.

A ball is thrown and follows the parabolic path shown above. Air friction is negligible. Point Q is the highest point on the path. Points P and R are the same height above the ground. Which of the following diagrams best shows the direction of the acceleration of the ball at point P?

a)
b)
c)
d)
e)
23.

When the only force on an object is gravity:

a)

free fall

b)

acceleration

c)

gravity

d)

range

24.

An object in free fall is also called

a)

gravity

b)

projectile motion

c)

projectile

d)

tide

25.

What is the direction of the acceleration for any projectile?

a)

The direction the projectile is traveling.

b)

Down

c)

Up

d)

Sideways

26.

If a projectile is launched with an initial vertical velocity (Voy) of 60 m/s, how long will it take to reach its highest point?

a)

5 seconds

b)

6 seconds

c)

7 seconds

d)

7.5 seconds

27.

At which of the following places does a projectile have the least velocity?

a)

At the peak of its trajectory

b)

Half way to the peak

c)

At the instant it is launched

d)

All points have the same velocity

28.

A plane flying horizontally at 120 m/s drops a crate. When the crate strikes the ground 15 seconds later, what is the magnitude of the horizontal component of its velocity?

a)

147 m/s

b)

120 m/s

c)

1800 m/s

d)

8 m/s

29.

The acceleration during the whole trip, on the horizontal component, is always...

a)

0 m/s2

b)

3.6 m/s2

c)

5 m/s2

d)

-9.8 m/s2

30.
Which of the following would NOT be considered a projectile? 
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
31.
The more mass an object has, the faster it will fall.
a)
True
b)
False
32.
If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?
a)
6 m/s
b)
12 m/s
c)
18 m/s
d)
24 m/s
33.
Which angle will produce the greatest range (in the absence of air resistance)?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
none of these
34.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time

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