integrating to find the balance point.

Forum|Forum|11 years ago
November 21, 2014
12 replies
3431 views

I don't understand why the first moment of integration doesn't balance the beam.

Anybody?

1_center-of-mass-mcdx.zip

Other

Best answer by ValeryOchkov

Sorry,

It is my KnowHow (a brend) to point "Correct answer" on one own answer

V

ValeryOchkov

24-Ruby IV

Sorry, I do not see any problem - see the attach

1_center-of-mass-2-mcdx.zip

F

Fred_Kohlhepp

Author

23-Emerald I

The first number (17.056 in) is the balance point, if you pick it up there it won't tip. I was mistakenly assuming that was where half the mass was on one side and half on the other; that will only be true for a symmetrical arrangement.

Need to be careful which point you want.

Werner_E

25-Diamond I

Fred Kohlhepp wrote:
The first number (17.056 in) is the balance point, if you pick it up there it won't tip. I was mistakenly assuming that was where half the mass was on one side and half on the other; that will only be true for a symmetrical arrangement.
Need to be careful which point you want.

Yes, but I was puzzled, too, when I first glanced over your sheet.

You get equality if you take in account the distance from the centroidal axis: