Calculate Balance Point Distance: A, B, C & D

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    Balance Point
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Discussion Overview

The discussion revolves around calculating the balance point distance in a seesaw-type scenario, specifically focusing on determining the distance 'C' when other distances 'A', 'B', and 'D' are known. The context includes practical applications of balance in product design.

Discussion Character

  • Homework-related
  • Technical explanation

Main Points Raised

  • One participant expresses difficulty in recalling how to calculate the balance point on a seesaw, seeking assistance with the specific distance 'C'.
  • Another participant suggests that the distances from the center of mass of each weight to the pivot point must be known, introducing variables 'E' and 'F' for the left and right sides, respectively.
  • A later post clarifies that the participant is trying to position a handle for balance when lifting a product, reiterating the need to find 'C'.
  • Another participant emphasizes the importance of knowing where the weights act on the beam, stating that this is below the center of mass and not at the ends of the beam.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the necessary parameters for calculating 'C', with differing views on the importance of the center of mass and the specific distances involved.

Contextual Notes

The discussion lacks clarity on the definitions of the variables and the specific setup of the seesaw-like system, which may affect the calculations. There are unresolved aspects regarding the exact placement of weights and their influence on balance.

r4v3n
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Hi All

Ive been racking my brains and i just can't remember how to calculate a 'seesaw' type balance point!?

Please see the attachment - It am trying to work out what 'C' is (I know A, B & D)

Thanks very much
 

Attachments

  • unknown bal point.jpg
    unknown bal point.jpg
    6.4 KB · Views: 588
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You need to know the distances from below the centre of mass of each of the weights on the beam to the pivot point.

Call these E (on the left) and F (on the right).

Then A * E = B * F if the beam is balanced and weightless.
 
sorry i mean this

Hi

Sorry for the confusion - please see my new attachment with a more accurate diagram.

Basically i am trying to position a handle in the center of a product so when it is lifted it will be balanced.

Again I am after 'C'

thanks very much
 

Attachments

  • unknown bal point2.jpg
    unknown bal point2.jpg
    6.6 KB · Views: 514
No, you have to know where the weights act on the beam.

This is below the center of mass of each weight and not at the end of the beam.
 

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