What happens to forces in biomechanics when an object is starting to tip?

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Homework Help Overview

The discussion revolves around understanding the forces involved in biomechanics when an object is beginning to tip. The original poster seeks assistance in applying torque concepts to analyze the situation, indicating a focus on the mechanics of tipping objects.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants discuss the necessity of using torques and question what equations are relevant. There are inquiries about the direction and points of action of forces when the object starts to tip, as well as the implications of unbalanced forces along the y-axis.

Discussion Status

Participants are actively engaging with the problem, exploring various aspects of torque and force balance. Some guidance has been offered regarding the importance of considering the lines of action of forces and the implications of unbalanced forces, but no consensus has been reached on a specific approach or solution.

Contextual Notes

There is a repeated emphasis on the need for clarity regarding the equations related to torque and the conditions under which forces become unbalanced. The original poster and others express uncertainty about how to proceed with the analysis.

snav96
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Homework Statement



http://tinypic.com/r/sebqc1/8

Homework Equations



can anyone help me with this question? I know i have to use torques to find the answer but i have no idea how to solve it and write equations for it.
thanks

The Attempt at a Solution

 
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snav96 said:

Homework Statement



http://tinypic.com/r/sebqc1/8

Homework Equations



can anyone help me with this question? I know i have to use torques to find the answer but i have no idea how to solve it and write equations for it.
thanks

The Attempt at a Solution

Yes, you need to use torques. What equations have you been taught relating to torques?
If it does start to tip, what will the forces on the object be, in what directions, and acting through what points?
 
haruspex said:
Yes, you need to use torques. What equations have you been taught relating to torques?
If it does start to tip, what will the forces on the object be, in what directions, and acting through what points?

http://tinypic.com/r/161m64l/8
this is my attempt at the question.
if it tips would the forces along the y-axis get unbalanced? N> mg ?
 
snav96 said:
http://tinypic.com/r/161m64l/8
this is my attempt at the question.
if it tips would the forces along the y-axis get unbalanced? N> mg ?
If the y-axis forces are unbalanced, there would be a nonzero net vertical force. What would result from that?
In torque questions you have to pay close attention to the lines of action of forces.
Take it a little further... suppose it is starting to tip. Where is the normal force from the ground?
 

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