# 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
Quiz by Gamer1162
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Last updated: October 2, 2017
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 First submitted June 30, 2017 Times taken 7,678 Average score 66.7% Rating 4.23
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 Simple Machine Inclined plane Lever Pulley Screw Wedge Wheel and axle
+1
Level 69
Jul 2, 2017
The plane and the wedge I could picture, but just couldn't put them into words.
+3
Level 95
Jul 3, 2017
Got them all immediately except for wheel, took me until I had 0:45 left to figure that one out. *facepalm
+1
Level 77
Sep 27, 2017
DITTO!
+1
Level 74
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.
+2
Level 85
Jul 12, 2017
Only forgot screw.
+4
Level 85
Sep 27, 2017
Isn't the inclined plane just a special case of wedge?
+11
Level 90
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.
+6
Level 69
Jan 2, 2019
Ow I do, I found it interesting what you said.
+2
Level 75
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.
+2
Level 61
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!!
+1
Level 67
Sep 27, 2017
Couldn't spell pulley right!!
+1
Level 63
Sep 28, 2017
I kept typing "incline plane", the past tense really threw me for a loop.
+1
Level 28
Sep 30, 2017
Should accept Incline Plane
+1
Level 60
Oct 2, 2017
Incline plane doesn't seem correct to me.
+1
Level 79
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
+1
Level 55
Oct 2, 2017
Can you accept "plane" for "inclined plane"?
+2
Level 51
Oct 14, 2017
"Ramp" worked for me
+1
Level 58
Nov 30, 2017
"Incline" did not work for me.
+3
Level 69
Jan 2, 2019
very simple and very hard at the same time.
+1
Level 75
Jun 26, 2023
Axle? Are there not 7?
+1
Level 78
Aug 12, 2023
I... have no idea how I remembered these. The brain is a very curious place.