Non-Linear Lever Examples: Get the Answers Here

In summary, the conversation is discussing the use of non-linear levers and the difference between a lever and a cam. The poster is seeking help and examples for creating a reversed camber on a compound bow. They also mention using trial and error design to work out the calculations.
  • #1
shakdaddy
4
0
Firstly, this is a great forum!

Maybe this is more of a mechanical engineering question, but ...

Can someone help give me some examples of non-linear levers? I want to be able to stretch a rubber band with factored-increasing force. Like a reversed camber on a compound bow.

I hope I asked this correctly. My physics vocabulary is limited- but improving with the help of this forum.
 
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  • #2
What you are dealing with is actually a cam rather than a lever. A quick Google should turn up lots of information about how to calculate the profile to fit your needs. I can't do math, so I always work mine out using cardboard or plastic pieces for mock-up trial and error design.
 

1. What is a non-linear lever?

A non-linear lever is a type of lever that does not follow the traditional definition of a lever, which is a simple machine consisting of a fulcrum, load, and effort. In a non-linear lever, the fulcrum is not fixed and the load and effort may be in different directions or at different distances from the fulcrum.

2. What are some examples of non-linear levers?

Some examples of non-linear levers include the human arm, where the elbow acts as the fulcrum and the bicep and forearm muscles provide the effort to move the hand and forearm as the load. Another example is a seesaw, where the fulcrum is located between the load and effort, causing a non-linear motion.

3. How do non-linear levers differ from linear levers?

The main difference between linear and non-linear levers is their motion. Linear levers have a linear motion, meaning the load and effort move in the same direction, while non-linear levers have a non-linear motion, with the load and effort moving in different directions.

4. What are the advantages of using non-linear levers?

Non-linear levers have the advantage of providing more range of motion and control compared to linear levers. They are also more versatile and can be used for a wider range of tasks, such as lifting heavier loads or providing more precise movements.

5. How are non-linear levers used in everyday life?

Non-linear levers are used in many everyday activities, such as opening a door, using scissors, or even walking. They are also commonly used in sports, such as throwing a ball or swinging a golf club, as well as in various tools and machines, such as pliers and cranes.

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