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Simple Machines Quiz
Can you name the 6 classical simple machines as defined by Renaissance scientists?
A simple machine is a mechanical device that changes the direction or magnitude of a force
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Last updated: October 2, 2017
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| First submitted | June 30, 2017 |
| Times taken | 9,094 |
| Average score | 66.7% |
| Rating | 4.35 |
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24 Comments
noodles
+1
Level 68
Jul 2, 2017
The plane and the wedge I could picture, but just couldn't put them into words.
jmellor13
+1
Level 68
Oct 27, 2025
Haha, same re "wedge." I kept trying "doorstop" even though I know it's not sufficient. Alas.
PantsLobbyist
+3
Level 99
Jul 3, 2017
Got them all immediately except for wheel, took me until I had 0:45 left to figure that one out. *facepalm
mahble
+1
Level 79
Sep 27, 2017
DITTO!
kapulani3
+1
Level 75
Jul 5, 2017
I got wheel and axle. I could picture the pulley but the word wouldn't come to mind. The others weren't even in considered. Good quiz. Not easy and I learned some things.
interopia
+2
Level 90
Jul 12, 2017
Only forgot screw.
GreenFriday
+4
Level 87
Sep 27, 2017
Isn't the inclined plane just a special case of wedge?
idontkn1
+14
Level 94
Sep 27, 2017
The screw, wedge and inclined plane are all the same principle. The threads of a screw are a continuous inclined plane. The principal of the lever is based on the assumption of using a real or imaginary fulcrum which is an applied wedge. The pulley is an application of the wheel and axle. I'd argue that there are only two unique machines the wedge and the wheeled axle but I am neither a machinist nor a Renaissance scientist so no one cares.
Sifhraven
+7
Level 76
Jan 2, 2019
Ow I do, I found it interesting what you said.
InterAlia
+4
Level 83
Mar 4, 2023
I think the distinction is in the way an initial force is changed by the machine. For a screw, the initial force is rotation. For an inclined plane it is straight line force which is diverted by the plane. A wedge divides a straight line force into two separate outward vectors. Similar difference applies to the wheel vs pulley.
nmaec
+2
Level 68
Sep 27, 2017
only got lever first time around but memorised answers and when retook quiz got them all with 1 min 4 secs remaining. Result!!
SpartanLlama
+1
Level 79
Sep 27, 2017
Couldn't spell pulley right!!
policraticus
+1
Level 62
Sep 28, 2017
I kept typing "incline plane", the past tense really threw me for a loop.
ChicagoMaddog
+1
Level 27
Sep 30, 2017
Should accept Incline Plane
Gamer1162
+1
Level 58
Oct 2, 2017
Incline plane doesn't seem correct to me.
barmanitan
+1
Level 84
Oct 2, 2023
What else is an incline if not an inclined plane? Seems like the same thing to me? If you accept just wheel then you should accept just incline I think
Aluminum
+1
Level 54
Oct 2, 2017
Can you accept "plane" for "inclined plane"?
Fee
+2
Level 49
Oct 14, 2017
"Ramp" worked for me
blinky
+1
Level 57
Nov 30, 2017
"Incline" did not work for me.
Sifhraven
+3
Level 76
Jan 2, 2019
very simple and very hard at the same time.
SlicedBread
+1
Level 78
Jun 26, 2023
Axle? Are there not 7?
malachite
+1
Level 76
Aug 12, 2023
I... have no idea how I remembered these. The brain is a very curious place.
Daksh00
+1
Level 64
Apr 20, 2025
Thank you for 5 points.
SuperJay1026
+1
Level 50
Feb 6, 2026
ughh I said "incline plane"
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