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SUMMARY

This discussion focuses on the principles of torque and equilibrium in physics, specifically addressing how to balance forces around a torque point. The user initially struggles with calculating the force needed on one side to counteract a weight of 120 N on the other side. Ultimately, the conclusion is that the force (F') required to achieve equilibrium must equal 120 N, confirming the fundamental principle that torques must balance for the system to be in equilibrium.

PREREQUISITES
  • Understanding of basic physics concepts, particularly torque and equilibrium.
  • Familiarity with the formula for torque: Torque = Force x Distance.
  • Knowledge of how to set up equations for balancing forces.
  • Ability to interpret and solve algebraic equations.
NEXT STEPS
  • Study the principles of static equilibrium in physics.
  • Learn about the applications of torque in real-world scenarios.
  • Explore advanced topics in rotational dynamics.
  • Practice solving problems involving multiple forces and torques.
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the fundamental concepts of torque and equilibrium in mechanics.

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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