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Unit 5 Review

Total questions: 100

Worksheet time: 4hrs 32mins

Name
Class
Date
1.

If an object is being pulled by two forces, one 4 N to the left and the other 2 N to the right, what is the net

force acting on the object?

a)

2 N to the left

b)

2 N to the right

c)

6 N to the right

d)

6 N to the left

2.

Which direction will the object move?

a)

Right

b)

Left

3.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
4.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
5.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
6.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
7.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
8.

A push or a pull on an object

a)

Force

b)

Friction

c)

Motion

9.

The amount of distance traveled in a given time

a)

Acceleration

b)

Velocity

c)

Speed

10.

What is force?

a)

A push or pull; something that changes the motion of an object

b)

A force that resists motion between two surfaces in contact.

c)

A measure of how much matter an object is made of

d)

a change in [position over time

11.

What is motion?

a)

A change in position over time

b)

a change in mass

c)

the force object exerts on each other

d)

a force that resists motion

12.

Unbalanced force...

a)

have no force at all

b)

has a net force of zero

c)

can change the motion of an object

d)

has balance

13.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
14.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
15.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
16.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
17.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
18.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
19.
Which of the blocks above has balanced forces acting on it?
a)
A
b)
B
c)
C
d)
D
20.

Potential energy depends on the ________ and ________ of the object.

a)

Height (position)

b)

Mass

c)

Speed

d)

Friction

21.

Which point has the most potential energy?

a)

G

b)

F

c)

B

d)

A

22.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

23.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
24.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

25.

__________ is stored energy.

a)

Potential

b)

Kinetic

26.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
27.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
28.
What kind of energy is in a waving hand?
a)
Potential
b)
Kinetic
29.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
30.

A basketball is being held in the hands of a player. This shows...

a)

Potential energy

b)

Kinetic energy

31.
What is energy?
a)
rate of work
b)
Motion of an object
c)
ability to do work
d)
force over time
32.

Which of the following objects has kinetic energy?

a)

A lamp that is turned off

b)

A bike parked at the top of a hill

c)

a ball thrown across the yard

d)

Fallen leaves laying on the ground below a tree

33.

Which letter shows where kinetic energy is at is highest point?

a)

X

b)

Y

c)

W

d)

Z

34.

Energy in motion is called

a)

kinetic energy

b)

potential energy

c)

nuclear energy

d)

transfer energy

35.

Energy that transforms from potential to kinetic is neither_____ nor _______.

a)

created, force

b)

created, destroyed

c)

force,motion

d)

destroyed, law of conservation of energy

36.

All of the answer choices are examples of kinetic energy Except-

a)

A volleyball player spiking a ball

b)

A race car speeding down the highway

c)

A bowling ball sitting on the rack

d)

A bowling ball rolling down the alley

37.

When a slingshot is in a held position it has

a)

mechanical energy

b)

potential energy

c)

kinetic energy

d)

radiant energy

38.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
39.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
40.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
41.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
42.
A screw is made up of _____ wrapped around a post or rod.
a)
threads
b)
springs
c)
treads
d)
strings
43.
Which of these is not an example of an inclined plane?
a)
ladder
b)
stairs
c)
wall
d)
driveway
44.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
45.
Which is a characteristic of a simple machine?
a)
They run on electricity.
b)
They take a long time to make.
c)
They have few or no moving parts.
d)
They are not very large.
46.
Which type of simple machine would be found on the bottom of a wagon??
a)
a pulley
b)
a screw
c)
a wedge
d)
a wheel and axle
47.
Work is
a)
energy from the sun
b)
a force that moves an object
c)
a type of machine
d)
a force that pulls you towards the Earth
48.
What is the fixed point upon which a lever rotates?
a)
fulton
b)
fulcrum
c)
furmen
d)
falcon
49.
Which  simple machine is found on the head of an ax?
a)
wedge
b)
lever
c)
pulley
d)
screw
50.
The wheel and rope make up which simple machine?
a)
pulley
b)
lever
c)
wheel and axle
d)
inclined plane
51.

What does this image represent?

a)

A pulley

b)

A wedge

c)

A lever

d)

A wheel and axle

52.

A pulley is an example of a:

a)

Simple Machine

b)

Book

c)

Science Tool

d)

Test Taking Strategy

53.

What must a pulley have ?

a)

a rope

b)

wheel

c)

axle

d)

all the above

54.

Identify the type of pulley above.

a)

fixed pulley

b)

movable pulley

c)

compound pulley

55.

What are two types of pulleys?

a)

wings, fries

b)

load. weight

c)

fixed, movable

d)

effort, force

56.

Which of the following is an example of a pulley?

a)

flag pole

b)

see saw

c)

jump rope

57.

Which one is an example of a pulley system?

a)

an ax

b)

a ramp

c)

an elevator

d)

a see-saw

58.

Pulleys make work:

a)

Easier

b)

Rigorous

59.

A measure of how fast something moves in a given amount of time.

a)

Speed

b)

Distance

c)

Time

d)

Velocity

60.

What is speed with a specific direction?

a)

Average Speed

b)

Velocity

c)

Vectors

d)

Time

61.

Select the times that the object is NOT moving according to the graph. (Could be more than one)

a)

0-10 minutes.

b)

10-20 minutes.

c)

20-30 minutes.

d)

30-40 minutes.

62.

Select all of the units that could be used for distance.

a)

Meters

b)

Seconds

c)

Kilometers

d)

Miles.

63.

Which of these choices is the formula for average speed?

a)
b)
c)
64.

Which of these graphs represent a constant speed?

a)
b)
c)
65.

A baseball is thrown a distance of 20 meters. What is its speed if it takes 0.5 seconds to cover the distance?

a)

40 m/s

b)

10 m/s

c)

3 m/s

d)

30 m/s

66.

If Steve throws the football 50 meters in 3 seconds, what is the average speed of the football?

a)

16.7 m/s

b)

15.5 m/s

c)

25.3 m/s

d)

22 m/s

67.

Calculate the average speed of a car that travels 60 km in 2 hours.

a)

12 km/h

b)

30 km/h

c)

25 km/h

d)

35 km/h

68.

Calculate the average speed of the object between 1 and 3 seconds.

a)

20 m/s

b)

1 m/s

c)

30 m/s

d)

12 m/s

69.

Which best represents a unit for speed?

a)

Meters

b)

Seconds

c)

Meters/Second

d)

M/s 2

70.

Select all of the units for time.

a)

Seconds

b)

Hours

c)

Meters

d)

Kilometers

71.

What two measurements are needed to calculate average speed?

a)

Distance and Time

b)

Volume and Mass

c)

Mass and Time

d)

Speed and Distance

72.

What is the formula for average speed?

a)

Average Speed = Total Time \div Total Distance

b)

Average Speed = Total Time + Total Distance

c)

Average Speed = Total Distance ÷\div Total Time

d)

Average Speed = Total Distance ×\times Total Time

73.

Cesar drove from Houston to Dallas in 4 hours. Dallas is roughly 250 miles NW of Houston. What was his average speed?

a)

1000 mph

b)

62.5 mph

c)

55 mph

d)

60 mph

74.

Runner A ran 12 miles in 4 hours and Runner B ran 9 miles in 3 hours. Which runner had the greatest average speed?

a)

Runner A

b)

Runner B

c)

Both runners had the same average speed.

75.

Which of the following is a UNIT for speed?

a)

m/s2

b)

m/s

c)

d/t

76.

Usain Bolt of Jamaica holds the world record for the Men's 100 meter race. He finished in 9.58 seconds! What was his average speed? (Round to the nearest tenth.)

a)

10.4 m/s

b)

.1 m/s

c)

1 m/s

d)

10.5 m/s

77.

American Florence Griffith Joyner (nickamed "Flo-Jo") holds the world record for the fastest women's 100 meter race. Her time was 10.49 seconds! What was her average speed during the race? (round to the nearest tenth)

a)

1 m/s

b)

.1 m/s

c)

9.4 m/s

d)

9.5 m/s

78.

Jose Altuve is at batting practice for the Houston Astros. He hits the baseball, and it goes 320 feet in 10 seconds. What was the average speed of the baseball?

a)

3.2 mph

b)

3.2 feet/second

c)

32 feet/second

d)

32 mph

79.

A car travels 210 miles in 3 hours. What is the average speed of the car?

a)

80 mph

b)

70 mph

c)

50 mph

d)

60 mph

80.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
81.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
82.
To calculate average speed you _______ the distance traveled by the elapsed time.
a)
divide
b)
multiply
c)
square
d)
subtract
83.

How long did the bird stay still?

a)

15 minutes

b)

60 minutes

c)

75 minutes

d)

0 minutes

84.
Which line represents the graph of an object with a positive acceleration?
a)
A
b)
B
c)
C
d)
D
85.
For which time period, is there no motion?
a)
0-10 seconds
b)
10-15 seconds
c)
15-40 seconds
d)
40-50 seconds
86.

Who won the race ?

a)

Albert

b)

Bob

c)

Charlie

d)

It was a three way tie

87.

The object traveled 200 meters in 4 minute. What is the speed of the object?

a)

4 meters per minute

b)

200 meters per minute

c)

50 meters per minute

d)

20 meters per minute

88.

Which graph shows the object moving at a constant speed then suddenly stops?

a)

Graph 1

b)

Graph 2

c)

Graph 3

d)

Graph 4

89.

Describe the motion in part II of the graph:

a)

Walking towards home

b)

Running towards home

c)

Walking away from home

d)

Standing Still

90.

Which slope represents the fastest speed?

a)

A

b)

B

c)

C

d)

D

91.
What is happening between 9am and 11am?
a)
The cyclist is traveling up a hill
b)
The cyclists is speeding up
c)
The cyclists is traveling at a constant speed
d)
The cyclist is slowing down
92.

What is occurring at E?

a)

It is traveling at a constant speed

b)

there is no change in motion

93.
What is the line on this graph showing?
a)
moving away from starting point at a constant speed
b)
moving back towards the starting point at a constant speed
c)
acceleration (getting faster)
d)
deceleration (getting slower)
94.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
95.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
96.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
97.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
98.
Which runner complete the 100 meter race in the least amount of time?
a)
Albert
b)
Bob
c)
Charlie
99.
What is the total distance covered by 2 pm?
a)
40 miles
b)
30 miles
c)
60 miles
d)
10 miles
100.

Describe the motion at position A and B.

a)

A is slower than B

b)

B is slower than A

c)

A is the same as B

d)

Cannot be determined

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