Mechanical Advantage of a Lever
Mechanical advantage is a measure of the force amplification achieved by using a tool, in this case a lever.
The mechanical advantage of a lever is the effort arm length divided by the load arm length.
Formula
![Copy to Clipboard QuantityVariable["MA", "Unitless"] == QuantityVariable[Subscript["d", "1"], "Distance"]/QuantityVariable[Subscript["d", "2"], "Distance"]](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/dfd/dfddca5e-0f01-4384-94a0-7a091943ceff/Webpage/FormulaImage.png)
| symbol | description | physical quantity |
|---|---|---|
| MA | mechanical advantage | "Unitless" |
| d1 | effort arm | "Distance" |
| d2 | load arm | "Distance" |
Forms
Examples
Get the resource:
| In[1]:= |
| Out[1]= | ![]() |
Get the formula:
| In[2]:= |
| Out[2]= |
Use some values:
| In[3]:= |
| Out[3]= | ![]() |

