a second class lever
Third order
It is a 2nd Class lever, and your elbow it self is the fulcrum, your forearm is the lever and the weight is where ever u put it on your hand or forearm. The fulcrum is at your elbow.
First class lever
first class lever
Yes, it is a 3rd Class Lever.
a second class lever
Third order
It is a 2nd Class lever, and your elbow it self is the fulcrum, your forearm is the lever and the weight is where ever u put it on your hand or forearm. The fulcrum is at your elbow.
1st class lever, with the axis of the elbow in the center of the force generated by the triceps proximally and the resistance of the hand and forearm distally
Happens that i am working on this right this moment in class, here you go, there are also some websites that our teacher gave us that can help to explain this: http://www.peworld.org/student_resources/powerpoint/levers/sld001.htm http://www.dynamicscience.com.au/tester/solutions/hydraulicus/humanbody.htm http://www.science-class.net/Anatomy/Support/Bones%20as%20levers.pdf Part of the body Type of Simple Machine Forearm 3rd class lever Legs 3rd class lever Head & Neck 1st class lever Foot (when walking) 2nd class lever Hand 3rdclass lever
A pencil isn't a lever at all, unless you are using it to turn force into useful motion. If you use the pencil to write with, it's closer to being a needle reading a record, as it is dragged across a surface, leaving graphite which has broken off of the main core on the paper. For a first class lever, think of a see-saw. For a second class lever, think of a wheelbarrow. For a third class, think of a pair of nail clippers, or of your forearm.
3rd class lever
Class 1 lever
1st class lever3rd class lever
The Class Lever for Pliers is a class 2 lever.
Class 3 Lever! You Don't even know that!
First class lever