Having some Serious Trouble with Problem

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Homework Help Overview

The discussion revolves around a physics problem involving a bead attached to a string, which can oscillate and also perform circular motion. The original poster seeks to determine the time for one complete revolution of the bead and whether this time represents a maximum or minimum value.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the type of motion involved and suggest drawing a free body diagram to analyze forces. There is consideration of the role of tension and gravity in the context of centripetal force.

Discussion Status

The conversation is ongoing, with participants exploring different aspects of the problem. Some guidance has been offered regarding the nature of forces acting on the bead, but no consensus has been reached on the specific calculations or interpretations yet.

Contextual Notes

The original poster expresses difficulty in finding relevant examples or methods in textbooks or online resources, indicating a potential gap in understanding the application of concepts to the problem.

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I having figuring out a problem gave me, but he won't tell me how to do it. Here's the problem "A small bead with mass M is attached to a very light string hung from a ceiling. The string can be torn by a force exceeding the value of 10 Mg where g is the acceleration due to gravity. The bead on the string may ocsillate harmonically with a period To. A student decides to perform another experiment. He takes the attached bead aside from its equilibrium and pushes it in such a way that the beaad performs a full revolution in a horizontal plane.
What is the time of one revolution of the bead that can be calculated with the data, given above? Is this time a maximum or minimum value of all possible?"

I've looked all over the internet and textbooks trying to find examples with no success. I know that I need the period etc but I don't know how to apply them to getting the answer.

Thanks for the help.
 
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Think about the shape of the path the bead will follow... (the type of motion) Drawing a free body diagram of the bead may help.
 
Last edited:
The motion would be constant right? And I been drawing FBS all over the place trying to figure this one out. Right now I know There's the Tension and Gravity and then the other force be Centripetal?
 
Centripetal force isn't really a force, it's more the sum of all forces acting on an object directed towards the centre of the circular path. From the looks of it, I'd say that the centripetal force in this case is supplied by the tension force. If the plane it was rotating in was vertical, then the centripetal force would also be partially supplied by gravity in some cases.
 

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