huh ? It seems like the atcachment is waiting for approval ... Why need to have approval to show attachment ? Or may be Alephzero is kind enough to send me the link of that gif file ? Thanks ...
Ok, finally got the answer, but still forgive for my noob-ness, why when find the y-centroid, the integrating have to be https://www.physicsforums.com/latex_images/13/1308807-2.png ? Why the x had become 4-y^(1/2) ? Sorry but anyway, thanks for all the helps.
Hmm , I can understand for X centroid , but how about Y centroid ? Could you may be write the formula for me to find Y centroid ? As I still haven't found the Y centroid yet ... not the correct one at least ...
I found the X centroid to be 3 if using my own formula and yours.
You said "integrating x*y*dx from 0-4 and dividing that by the integral of y*dx from 0-4" to find x-centroid right ?
So |x*y*dx will turned into |x^3dx since y=x^2 , hence i got 64 after integration.
Then |y*dx will turned...
For the Y centroid
Hey Mentz114, thanks for the help, the formulae u provided helped me to find the x-centroid, which is 3, but i still find the y centroid to be 9.6. Isn't that the formula to find y centroid is integrating y*x*dy from 0-16 and dividing that by the integral of x*dy from 0-16 ?
Since you are talking about the FBD, I think you have to draw out a FBD with reaction force at fixed support on the wall in order to explain whether is tension or compression of each members. Not 100% sure though.
Homework Statement
Just studying statics in my first year of university and i do not understand the centroid topic at all. The question goes like this, given a equation y=x^2 , and the x-axis is 0 - 4 , with the lower portion of the graph is highlighted. It is given by diagram but sorry I...