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Discussion Overview

The discussion revolves around understanding torque and equilibrium in the context of a physics problem related to forces acting on a lever. Participants explore the principles of torque and how to achieve balance in a system, specifically focusing on the calculations needed to determine the force required to maintain equilibrium.

Discussion Character

  • Exploratory, Technical explanation, Homework-related

Main Points Raised

  • One participant mentions the principle of torque and the requirement for it to be equal on both sides of the torque point to achieve equilibrium.
  • Another participant expresses confusion about calculating the force needed on one side of the lever to balance a weight of 120 N on the other side.
  • A later reply suggests that the force on the left must equal the weight of 120 N to maintain equilibrium, though this is posed as a question.
  • One participant indicates they have resolved their confusion and successfully solved the problem, attributing their success to the discussion.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the exact calculations initially, but one participant ultimately resolves their confusion independently.

Contextual Notes

The discussion does not clarify all assumptions regarding the setup of the problem or the definitions of torque and equilibrium, leaving some aspects unresolved.

Who May Find This Useful

Readers interested in physics, particularly those studying torque and equilibrium in mechanics, may find this discussion relevant.

HareJare
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Homework Statement
I have a homework problem and it goes like this.

What does the force F need to be in order to achieve equilibrium? (look at picture for more details)

Could someone help me with this?
Relevant Equations
Torque
k.jpg
 
Last edited by a moderator:
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Hello @HareJare ,
:welcome: ##\qquad##!​

In PF things go like so: you post your problem statement and your attempt at solution and you indicate where you are stuck. Then we try to help with hints and questions.

In this case: what have you learned that could help you with this problem ? Principles, formulas etc.

##\ ##
 
Well i learned about torque and to achieve equilibrium it has to be the same on the left of the torque point and to the right.

My problem with this question is i don't know how to deal with

k.jpg


I know what to do on the right.
Torque RIGHT = 500 * F
but the rest i am confused about
 
How big must F' on the left be to compensate for the weight of 120 N ?

1617813639571.png

​
##\ ##
 
It had to be equal to 120 or am i wrong here?
 
OMG i can not believe i had trouble with this :H i solved it now thank you!
 
You are welcome.

(But you solved it yourself ! Well done! :smile:)

##\ ##
 

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