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Unit 2 - Test Review

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

What is the resultant vector when we add the three vectors?

a)

-3 km

b)

-1 km

c)

4 km

d)

2 km

2.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
3.
When are you undergoing an acceleration in a car? 
a)
speed up
b)
slow down
c)
make turns
d)
All of the above 
4.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
5.

What is the ratio for Tangent

a)

Opp/Adj

b)

Adj/Opp

c)

Opp/Hyp

d)

Hyp/Opp

6.
What is the correct ratio?
a)
6/10
b)
6/8
c)
8/10
d)
8/6
7.
What is the correct equation to solve for x ?
a)
tan( 46 ) = 17/x
b)
sin ( 46 ) = x/17
c)
tan (46 ) = x/17
d)
cos (46) = x/17
8.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
9.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
10.

Select the description of motion from A - B.

a)

Slowing down away from the origin

b)

Speeding up away from the origin

c)

Constant velocity away from the origin

d)

Constant velocity towards the origin

11.

Use the picture to choose the most accurate description of the object's motion

a)

object is moving at constant speed in the positive direction

b)

object is speeding up in the negative direction

c)

object is speeding up in the positive direction

d)

object is slowing down in the negative direction

12.

The dot diagram represents the motion of a rightward-moving truck. What is the direction of the truck's acceleration?

a)

Right

b)

Left

c)

The truck is not accelerating

d)

Can not be deduced from the given information

13.

The velocity-time graphs represent the motion of three different objects. Identify any object that is changing directions. Check all that apply.

a)
b)
c)
d)

None of the above

14.

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

a)

the velocity increases

b)

the velocity decreases

c)

the velocity remain constant

15.

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

a)

the acceleration increases

b)

the acceleration decreases

c)

the acceleration remains constant

16.

A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?

a)

the velocity increases

b)

the velocity decreases

c)

the velocity remains constant

17.
a)

constant speed moving to the right

b)

changing speed moving to the right

c)

constant speed moving to the left

d)

changing speed moving to the left

18.

Describe the motion of the object traveling to the left

a)

constant speed

b)

increasing speed

c)

decreasing speed

d)

no speed

19.

You are late to your flight. You quickly walk at 4 ms\frac{m}{s}  on the moving sidewalk. The moving sidewalk is moving at 3 \frac{m}{s}  . How fast are you moving relative to the stationary ground? 

a)

  2 ms-\ 2\ \frac{m}{s}  

b)

 2 ms2\ \frac{m}{s}  

c)

 7 ms7\ \frac{m}{s}  

d)

 8 ms8\ \frac{m}{s}  

20.

What are the units of the slope of this motion?

a)

ms\frac{m}{s}

b)

sm\frac{s}{m}

c)

mm

d)

ss

21.

T/F The sign of the vector represents magnitude.

a)

True

b)

False

22.
A rightward-moving motorcycle increases its speed from 5.0 m/s to 25.0 m/s. Is the motorcycle accelerating?
 
a)
Yes
b)
No
23.

You are on a train that is moving at 

 5ms5\frac{m}{s} . You are walking in the negative direction at  5 ms-5\ \frac{m}{s}  through the train car. What is your speed relative to an observer outside of the train on the ground?

a)

 0 ms0\ \frac{m}{s}  

b)

 10 ms10\ \frac{m}{s}  

c)

 10 ms-10\ \frac{m}{s}  

d)

 25 ms25\ \frac{m}{s}  

24.
How can you describe the motion on the horizontal axis if you ignore air resistance?
a)
acceleration due to gravity
b)
constant velocity
c)
varying acceleration
d)
motionless
25.
As a projectile moves through the air, the motion on y axis is best described as ____,
a)
free fall acceleration
b)
uniform motion
c)
varying speeds
d)
constant velocity
26.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2 down
c)
4.9 m/s2 down
d)
12 m/s down
27.
When a ball is projected horizontally, what is its initial vertical velocity?
a)
10 m/s
b)
0 m/s
c)
not enough information given
d)
the velocity given in the problem
28.
An object is projected horizontally from a cliff.  The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
29.

The unit we use to measure acceleration is ___.

a)

m/s

b)

m

c)

s

d)

m/s2

30.

The unit we use to measure speed is ___.

a)

m/s

b)

m

c)

s

d)

m/s2

31.

The unit we use to measure distance is ___.

a)

m/s

b)

m

c)

s

d)

m/s2

32.

An object can be moving for 10 seconds and still have zero displacement.

a)

True

b)

False

33.

You run from your house to the Midway Mall that is 4 km away. You then walk home. The distance you traveled is 8 km. What is your displacement?

a)

2 km

b)

0.5 km

c)

0 km

d)

8 km

34.

vi

a)

velocity

b)

initial velocity

c)

final velocity

d)

acceleration

35.

vf

a)

velocity

b)

initial velocity

c)

final velocity

d)

acceleration

36.

a

a)

velocity

b)

distance

c)

acceleration

d)

accuracy

37.

Slope of a position time graph gives you:

a)

change in position

b)

velocity

c)

acceleration

d)

y=mx+b!!!

38.

As a projectile moves through the air, the motion on x axis is best described as ____,

a)

free fall acceleration

b)

uniform motion

c)

varying speeds

d)

constant velocity