Finding balance point distance on a seesaw

[r4v3n]

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

 

[vk6kro]

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.

 

[r4v3n]

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

 

[vk6kro]

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.