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POE Exam Review - 2025

Total questions: 90

Worksheet time: 3hrs 37mins

Name
Class
Date
1.

The fixed point around which a lever rotates is know as the

a)

wheel.

b)

fulcrum.

c)

input force.

d)

output force.

2.

Which of the following is NOT an example of the simple machine know as a screw?

a)

lid of a jar

b)

turning on and off a faucet

c)

a drill bit

d)

a screw driver

3.

How can simple machines make work easier?

a)

by decreasing the force needed to complete the task

b)

by increasing the friction between the machine and the object

c)

by adding more work on the object than originally applied

d)

by removing the force of gravity on the object

4.

Which simple machine would be the MOST efficient for lifting an object 30 meters off the ground?

a)

pulley

b)

screw

c)

wedge

d)

lever

5.

Which machine could be considered to be a type of inclined plane?

a)

wheel and axle

b)

lever

c)

screw

d)

pulley

6.

A doorknob is a simple machine made up of 2 circular objects of different sizes. When turning a doorknob, what type of simple machine is being used?

a)

inclined plane

b)

wheel and axle

c)

wedge

d)

pulley

7.

Workers push a heavy box up an inclined plane and onto a moving truck. Which best explains why these workers use an inclined plane?

a)

It makes their work easier because it requires less effort.

b)

It decreases the amount of work they have to do.

c)

It increases the amount of friction necessary to do the task.

d)

It makes the box weigh less.

8.

A house uses a roof to carry away large amounts of rain efficiently. A roof composed of 2 attached inclined planes would be considered which type of simple machine?

a)

wedge

b)

screw

c)

ramp

d)

lever

9.

Using the back of a hammer makes it much easier to remove a nail from a wooden board. What kind of simple machine would the hammer be classified as if you are using it for this purpose?

a)

Wedge

b)

Lever

c)

Pullye

d)

Inclined Plane

10.

Identify the simple machine in the picture.

a)

Wheel and axle

b)

Inclined plane

c)

Lever

d)

Wedge

11.

Identify the simple machine in the picture.

a)

Inclined plane

b)

Wedge

c)

Pulley

d)

Screw

12.

Identify the simple machine in the picture.

a)

Inclined plane

b)

Wedge

c)

Lever

d)

Screw

13.

A door knob would be an example of which type of simple machine?

a)

Pulley

b)

Wheel and axle

c)

Screw

d)

Inclined plane

14.

A crane would be an example of which type of simple machine?

a)

Wedge

b)

Wheel and axle

c)

Pulley

d)

Lever

15.

A simple machine makes work easier by doing which of the following?

a)

Increasing the distance through which force is applied.

b)

Changing the direction of applied force.

c)

Multiplying the force of the energy applied.

d)

All of the above.

16.

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What two simple machines are used in a corkscrew?

a)

Pulley and a wedge

b)

Wedge and a screw

c)

Lever and an inclined plane

d)

Screw and a lever

17.
How much work is produced when 350 N is used to move a car 5 m (W=Fd)?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
18.
Is this an example of work?
A teacher applies a force to a wall and becomes exhausted.
a)
True
b)
False
19.

Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever (MA=Output Force/Input Force)?

a)

1

b)

10

c)

100

d)

1000

20.

An effort of 450 newtons is applied to this pulley. What is the force of the load that will be lifted?

a)

450

b)

600

c)

750

d)

900

21.

How much effort is required to lift the 300 newton load?

a)

50

b)

60

c)

75

d)

90

22.

What is the mechanical advantage of this pulley?

a)

1

b)

2

c)

3

d)

4

23.
A lever and fulcrum are used to lift a fallen tree, which has a weight of 480 N. If the lever has a mechanical advantage of 5.5, what is the input force that will begin lifting the tree off the ground?
a)
5.5 N
b)
40.7 N
c)
87.3 N
d)
2640 N
24.
A 10 Newton effort force is required to lift a 10 kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever? [The fulcrum is placed 0.5m from the box.]
a)
0.5 N
b)
2.0 N
c)
5.0 N
d)
8.0 N
25.
To make this rock more more easily, should he  move the fulcrum closer to himself?
a)
Yes
b)
No
26.
Looking at the picture, what is the gear ratio?
a)
4:6
b)
6:4
c)
2:3
d)
3:2
27.
Looking at the picture, what is the gear ratio?
a)
6:10
b)
3:10
c)
10:6
d)
3:5
28.
When gears are equal in size, what is the gear ratio?
a)
1:2
b)
1:3
c)
2:5
d)
1:1
29.
Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
30.
What kind of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
31.
The diagram shows a 225 N load attached to a movable pulley. What amount of force is required to lift the load? Record your answer on the grid below.
a)
0.1125N
b)
112.5N
c)
11.25N
d)
1.125N
32.
What kind of lever has the fulcrum between the effort and the resistance and changes the direction of a force?
a)
1st Class Lever
b)
2nd Class Lever
c)
3rd Class Lever
d)
No Class Lever
33.
A wheelbarrow, pulley, and wedge are all examples of what?
a)
levers
b)
inclined planes
c)
wheel and axel
d)
simple machines
34.
What is the formula for calculating actual mechanical advantage?
a)
F = w/d
b)
ma = Fr/Fe
c)
ma = F x D
d)
ma = M + A
35.
A wheel attached to a shaft. A doorknob is an example.
a)
wedge
b)
screw
c)
wheel and axle 
d)
pulley
36.
Consists of two or more simple machines.
a)
multiple machine
b)
compound machine
c)
duplex machine
37.
A _____ is a fixed bar  that is free to move around a fixed point known as a fulcrum.
a)
pulley
b)
inclined plane
c)
lever
38.
A simple machine that can split things apart or hold a door open.
a)
wedge
b)
screw
c)
lever
39.
A simple machine that is made up of an incline plane wrapped around a cylinder. It is often used to hold things together.
a)
lever
b)
screw
c)
wedge
40.
How much work is done if I use 5 Newtons to move an object 2 meters?
a)
10 Newtons
b)
10 meters
c)
10 Joules
d)
7 Joules
41.
What is the mechanical advantage of this pulley system?
a)
2
b)
3
c)
4
d)
5
42.
Solve for the missing angle
a)
33°
b)
49°
c)
39°
d)
41°
43.
Solve for the misssing distance
a)
18.9
b)
19.5
c)
47
d)
27.5
44.
What is the mechanical advantage of this system?
a)
3.46:1
b)
2:1
c)
1:2
d)
1.73:1
45.
A construction worker uses a board and log as a lever to lift a heavy rock. If the input arm is 3 meters long and the output arm is 0.75 meters long, what is the ideal mechanical advantage of the lever?
a)
1
b)
2
c)
3
d)
4
46.
What is the difference between Ideal Mechanical Advantage and Actual Mechanical Advantage?
a)
IMA takes into account the gravity acting on the object
b)
IMA takes into account the friction acting on the object
c)
AMA takes into account the friction acting on the object
d)
AMA takes into account the time it takes to move the object
47.
How far from the fulcrum should the smaller person sit to be in equilibrium?
a)
1m
b)
1.5m
c)
2m
d)
0.5m
48.
What would be the correct equation for IMA?
a)
D0D
b)
Load/Effort
c)
Di/D0
d)
Effort/Load
49.

A 36 tooth driving gear (connected to the motor) is moving a 12 tooth driven gear. What is the gear ratio?... It has a speed advantage.

a)

3:1

b)

1:3

c)

3:3

d)

1:1

50.

A 12 Tooth driving gear (connected to the motor) is connected to a 36 tooth driven gear. What is the gear ratio and mechanical advantage?

a)

3 : 1 Torque Advantage

b)

3 : 1 Speed Advantage

c)

no Mechanical Advantage

d)

1 : 3 Torque Advantage

51.

What's the ratio?

Make sure ratio is reduced

a)

5 : 7

b)

84 : 60

c)

60 : 84

d)

7 : 5

52.

What is the gear ratio with a driving gear with 40 teeth and a driven gear with 8 teeth?


Make sure ratio is reduced to lowest terms

a)

8 : 40

b)

1 : 5

c)

5 : 1

d)

40 : 8

53.
What is the function of the smaller gear?
a)
Makes the output gear turn slower
b)
Makes the output gear turn faster
c)
Makes the larger gears turn in opposite directions.
d)
Makes the larger gears turn in the same direction.
54.

Oscillatory motion involves circular paths.

a)

True

b)

False

c)

Sometimes

d)

Only in specific cases

55.

Circular motion occurs in a straight path.

a)

True

b)

False

c)

Sometimes

d)

Depends on the speed

56.

Example of circular motion

a)

Child on a merry-go-round

b)

Car driving in a straight line

c)

Bird flying in the sky

d)

Train moving on a straight track

57.

Example of oscillatory motion

a)

Swinging pendulum

b)

Rolling ball

c)

Sliding box

d)

Spinning top

58.

Linear motion is movement in a straight line.

a)

True

b)

False

c)

Sometimes

d)

Only in one dimension

59.

Linear motion example

a)

Train on a straight track

b)

Car turning a corner

c)

Bicycle going uphill

d)

Ball rolling down a hill

60.

Difference between linear and circular motion

a)

Linear motion is along a straight path, circular motion is along a circular path.

b)

Linear motion occurs in a circular path, while circular motion occurs in a straight path.

c)

Linear motion involves acceleration, while circular motion does not.

d)

Linear motion is faster than circular motion.

61.

Motion of a fan blade

a)

Linear motion

b)

Circular motion

c)

Rotational motion

d)

Oscillatory motion

62.
Movement in a circular motion
a)
Rotary 
b)
Oscillating
c)
Linear
d)
Reciprocating
63.
Movement that goes back and forth in a straight line
a)
Rotary
b)
Linear
c)
Oscillating
d)
Reciprocating 
64.

What types of motion are seen here?

a)

linear and reciprocating

b)

oscillating and reciprocating

c)

oscillating and rotary

d)

reciprocating and linear

65.

which device uses an oscilating motion

a)
b)
c)
d)
66.

Swinging on a playground swing is a good example of:

a)

Linear Motion

b)

Rotary Motion

c)

Oscillating Motion

d)

Reciprocating Motion

67.

Choose the graph that represents constant linear motion

a)
b)
c)
d)
68.

Is the first step in the design process. Includes the problem being identified, validated, and justified. The design requirements are determined and the design brief is created.

a)

research solutions

b)

generate concepts

c)

define the problem

d)

present solution

e)

construct/test prototype

69.

This step in Design process includes researching past solutions and brainstorming possible new solutions. You come up with lots of ideas and then pick one.

a)

generate concepts

b)

develop solution

c)

define the problem

d)

present solution

e)

evaluate solution

70.

This step in Design process includes creating a detailed design solution and detailed technical drawings.

a)

present solution

b)

define the problem

c)

construct and test a prototype

d)

evaluate solutions

e)

develop solution

71.

This step in Design process includes building the a testable prototype. Then testing it for performance/ usability/ durability, collecting the data, analyzing the date and creating a test report of the findings.

a)

construct and test a prototype

b)

generate concepts

c)

present solution

d)

define the problem

e)

iterate the solution

72.

This step in Design process includes evaluating the solution's effectiveness, reflecting on design, making recommendation for improvements of the design, and revising design documents.

a)

develop solution

b)

evaluate solution

c)

define the problem

d)

present the solution

e)

generate concepts

73.

This is the last step in the Design process and is when the project portfolio is shared usually during a formal presentation.

a)

present solution

b)

construct/test prototype

c)

generate concepts

d)

Justifiable

e)

Brainstorm

74.

After building a paper airplane, you throw it and it immediately crashes. You realize that there is a major flaw in your design. What should be the next step?

a)

destroy the old airplane and start from scratch

b)

change the design and test it again

c)

use a different color paper

75.

Which step of the design process would you build the prototype?

a)

Construct and Test the Solution

b)

Present Solution

c)

Define the Problem

d)

Generate Concepts

76.

Which step of the design process would you determine if the product solved the problem?

a)

Define the Problem

b)

Design Solution

c)

Present Solution

d)

Evaluate the Solution

77.

This is a ______________ drawing.

a)

multiview

b)

photographic

c)

pictorial

d)

technical

78.

Which views most commonly get drawn for multiview drawings?

a)

front, rear, right

b)

front, top, left

c)

front, top, right

d)

front, top, right, left, rear, bottom

79.

Which type of projection is used to create multiview drawings?

a)

orthographic

b)

photographic

c)

pictorial

d)

technical

80.

Which orthographic projection represents the correct views for the isometric sketch?

a)

1

b)

2

c)

3

d)

4

81.

What view would go in position B of a multiview sketch?

a)

Top

b)

Front

c)

Right side

82.

Which diagram below shows the right view of this object?

a)
b)
c)
d)
83.
Recognize the view for the given isometric figure.
a)
Front view
b)
Right side view
c)
Left side view
d)
Top view
84.

What color represents the front view?

a)

Blue

b)

Green

c)

Yellow

d)

Can't tell from this angle

85.

What color represents the top view?

a)

Blue

b)

Green

c)

Yellow

d)

Can't tell from this angle

86.

What color represents the right view?

a)

Blue

b)

Green

c)

Yellow

d)

Can't tell from this angle

87.

Which view best represents the top?

a)

A

b)

B

c)

C

d)

Can't tell from this angle

88.

Which view best represents the right?

a)

A

b)

B

c)

C

d)

Can't tell from this angle

89.

What is view A called?

a)

Front View

b)

Top View

c)

Right View

d)

Isometric View

90.

Which of the following is an example of an Autonomous Robot?

a)

Roomba

b)

Mars Rover

c)

Industrial Robot Arm

d)

Drone

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