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Simple Machine Test

Total questions: 57

Worksheet time: 57mins

Name
Class
Date
1.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
2.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
3.
A device that has two or more simple machines working together 
a)
fulcrum 
b)
pulley
c)
compound (complex) machine 
d)
motor 
4.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
5.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
6.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
7.
The fixed point on the lever is called 
a)
load
b)
resistance
c)
bar
d)
fulcrum
8.
A ramp.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
9.
Mechanical Advantage:  To drive objects apart.
a)
Pulley
b)
Inclined Plane
c)
Wedge
d)
Wheel and Axle
10.
Mechanical Advantage:  To hold things together or to lift an object.
a)
Screw
b)
Pulley
c)
Wedge
d)
Wheel and Axle
11.
Something that reduces the friction of moving something.
a)
Pulley
b)
Screw
c)
Wheel and Axle
d)
Wedge
12.
What type of simple machine is this?
a)
Pulley
b)
Screw
c)
Inclined Plane
d)
Lever
13.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
14.
____ is done when a force is applied over a distance.
a)
energy
b)
work
c)
force
15.
A simple machine is a device that helps to reduce the amount of _____ required to work.
a)
force
b)
energy
c)
work
16.
Name this simple machine.
a)
Lever
b)
Wedge
c)
Pulley
d)
Inclined Plane
17.
What type of simple machines does the photo show?
a)
Lever and wedge
b)
Inclined Plane and lever
c)
Pulley and wedge
d)
Lever and screw
18.
A push or pull that can move an object is a
a)
fulcrum
b)
force
c)
machine
d)
lever
19.

________________ is done whenever a force moves an object a distance.

a)

Load

b)

Friction

c)

Force

d)

Work

20.

Simple machines can make work easier by reducing the input force needed to move an object. However, there is a trade off for decreased input. What is the trade off?

a)

The distance the object is moved is increased.

b)

The distance the object is moved is decreased.

c)

The amount of work is increased.

d)

The amount of work is decreased.

21.

What is the formula needed to solve for work?

a)

w = f/d

b)

w = f*d

c)

w = f+d

22.

What is effort (input) force?

a)

the force one exerts on a machine

b)

the force which an effort force must overcome in order to do work on an object via a simple machine.

c)

the force the machine exerts on a object

d)

the output work times the input distance

23.
if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?
a)
120 N
b)
5 N
c)
2000 N
d)
80 N
24.
Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?
a)
0
b)
2
c)
4
d)
8
25.

Which of the lever would it take less force to lift?

a)

Lever A

b)

Lever B

26.
Engineers are people who design and build things to solve _____
a)
riddles
b)
puzzles
c)
crosswords
d)
problems
27.
When they're trying to solve a problem, engineers follow a series of _____
a)
steps
b)
problems
c)
solutions
d)
tests
28.
Someone who wants to know how and why things work.  They also design and build things.
a)
scientist
b)
ME!
c)
Engineer
29.
This person searches for answers to technological and natural questions to obtain knowledge of why something is the way it is.
a)
scientist 
b)
engineer
c)
technologist
30.

Limitations or challenges

a)

criteria

b)

constraints

c)

trade-off

d)

prototype

31.

this is an example of what technology

a)

Simple

b)

Complex

c)

Complicated

d)

Not a technology

32.

The use of science and math to find solutions to a problem.

a)

Technology

b)

Engineering

c)

Science

d)

Trade-off

33.

cellphones are simple technology because it is portable

a)

True

b)

False

34.

This step is where you will make a list of materials you will need for your prototype

a)

Ask

b)

Imagine

c)

Plan

d)

Create

35.

The step where you modify your design

a)

Share

b)

Improve

c)

Imagine

d)

Create

36.

The photo is an example of what type of technology

a)

Simple

b)

Complex

c)

Prototype

37.
Which of the follow do you NOT need to keep in mind as you plan your solution?
a)
The criteria you will be evaluated on
b)
The supplies available
c)
Who you are partners with
d)
Your partner's ideas
38.
What does modification mean in the design process?
a)
changes to prototype
b)
changes to the design
c)
changes to concept drawing
d)
all the above apply
39.

Engineering takes

a)

Patience

b)

A Good Attitude

c)

Creativity

d)

Research/ Science

e)

Planning

40.

Physics is part of

a)

Science

b)

Technology

c)

Engineering

d)

Math

41.

I am an Engineer

a)

TRUE

b)

FALSE

c)

I DON'T KNOW!

42.
Which type of simple machine is a knife?
a)
Wedge 
b)
Pulley
c)
Inclined Plane
d)
Lever
43.
This simple machine allowed Elijah to lift a heavy rock.
a)
wedge
b)
lever
c)
screw
d)
inclined plane
44.
Simple machines can change the amount of_______ needed to do work.
a)
gravity
b)
people
c)
force
d)
pulley
45.
This type of simple machine has a slanted surface.
a)
wedge
b)
screw
c)
pulley
d)
inclined plane
46.

What is NOT an example of an incline plane?

a)

Wall

b)

Ladder

c)

Stairs

d)

Driveway

47.

A push or pull that can move an object is a...

a)

Fulcrum

b)

Machine

c)

Lever

d)

Force

48.

in the second class lever what is in between

a)

load

b)

effort

c)

fulcrum

49.

how many types are there of simple machines

a)

7

b)

6

c)

5

d)

8

50.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side 
c)
on the same side as the load arm. 
51.
A good example of a second class lever is the ...
a)
Can-opener
b)
Wheelbarrow 
c)
hammer 
d)
tongs 
52.
When you kick a ball the fulcrum is your ..
a)
foot
b)
ball 
c)
leg 
d)
knee
53.
What type of simple machine does the photo show?
a)
Inclined plane
b)
Lever
c)
Screw
d)
Pulley
54.

A seesaw is an example of what type of simple machine?

a)

wheel and axle

b)

lever

c)

wedge

d)

pulley

55.
Which is an example of a lever?
a)
bucket
b)
scissors
56.
A lever is a stiff bar that rests on a support called a fulcrum.
a)
True
b)
False
57.

Mechanical Advantage

a)

W= F x d

b)

inputoutput\frac{\text{input}}{\text{output}}  

c)

outputinput\frac{\text{output}}{\text{input}}  

d)

Great machines

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