The discussion revolves around calculating the ideal mechanical advantage (IMA) of a bicycle, focusing on the relationship between the diameters of the bicycle wheel and the gear driven by a chain. Participants are exploring the definitions and applications of mechanical advantage in this context.
The discussion is ongoing, with some participants providing guidance on interpreting the problem and clarifying the definitions involved. There is no explicit consensus yet, as participants are still exploring the correct application of the concepts.
There is a mention of a potential misunderstanding regarding the terms used in the mechanical advantage equation, with participants needing to clarify the distinction between forces and distances. The context of the bicycle's mechanics is also being considered, including the classification of the system as a lever.
Force input= 8.5 and force output=73?billy_joule said:I'm not sure where you got that equation from but the normal form is:
MA = Force in / Force out
https://en.wikipedia.org/wiki/Mechanical_advantage
Can you find the MA now? If not, can you identify the force in and force out?