- #31
Patxitxi
- 8
- 3
Maybe my brain got an update without me knowing it?vtsteam said:
Question about force from a torque arm extension
- Context: Undergrad
- Thread starter vtsteam
- Start date
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SUMMARY
The forum discussion centers on the mechanics of a Prony brake setup for a model hot air engine, specifically addressing the impact of varying the length of a vertical arm (B) on scale readings. Participants concluded that if the scale surface is frictionless, the effective lever arm remains constant at the horizontal arm length (A), regardless of the vertical arm's length. The torque equation, represented as τ = r × F, indicates that the vertical force component is unaffected by the length of B, provided the system is properly aligned and calibrated. The discussion emphasizes the importance of minimizing friction and ensuring accurate measurements for effective torque readings.
PREREQUISITES- Understanding of torque and lever arms in mechanics
- Familiarity with vector mathematics and Free Body Diagrams (FBDs)
- Knowledge of friction coefficients and their impact on mechanical systems
- Basic principles of static equilibrium in mechanical setups
- Study the principles of torque and its applications in mechanical systems
- Learn how to create and analyze Free Body Diagrams (FBDs) for complex systems
- Research the effects of friction on mechanical measurements and how to mitigate them
- Explore the design and calibration of Prony brakes for accurate torque measurement
Mechanical engineers, hobbyists building model engines, and anyone interested in understanding the principles of torque measurement and the effects of arm length in mechanical systems.
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