What is the Optimal Angle for Maximum Torque in a Balancing Torque Problem?

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Homework Help Overview

The discussion revolves around determining the optimal angle for achieving maximum torque in a balancing torque problem, specifically focusing on the relationship between the angle of a rod and the tension in a rope.

Discussion Character

  • Exploratory, Assumption checking, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the use of trigonometric functions to resolve components of tension in relation to the angle of the rod. Questions arise about the correct angle to use in calculations and the implications of different angles on torque.

Discussion Status

The conversation is active, with participants clarifying the use of sine and cosine functions in their calculations. There is a focus on ensuring the correct angle is applied for maximum torque, but no consensus has been reached on the specific angle to use.

Contextual Notes

Some participants reference specific angles (65° and 25°) and their effects on torque, indicating a need to clarify assumptions about the setup and the definitions of angles in the context of the problem.

Physics103
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Thx for the help everyone :D
 
Last edited:
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If the angle between rod and rope is 65°, then using sin (65°) for the component of rope tension normal to the rod is correct.

Edit: Sorry about that, I was thinking of cos (25°) which would yield the same as sin (65°).
 
Last edited:
Wait so in the above equation using sin 25 would be the correct one?
 
NO, use r ft sin 65 , like you did.

if the angle between the rod and the wire had been 90,
it would have provided maximum torque possible (not zero).
 

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