DSCN0916 2

Moments of inert ta of Ccmmon Geometrie Snapes

Mass Momar.ts c: :"er* a Cw.m.Tón Geematr c Sr sta

Redanie 7, - W ;e = + h^2)		i	f
	! 1			1 ✓
		c
	1 1-u-			^1 *

Trian°le

I-. = Jlbh³

i mWW

Cixde

7, = 7_V =

Jo = fan⁴

Semicircle

!* = !* = t*r*

Jo = Jw*

Quarter clicie

// = /„ = 1W⁴ /<» = |er1

Slender rod l9 = 7t = AmL^5
----j Thin rcctangular piąte /, = ftBHfe^2 + c^2ł U = A"*^5 f - = J*mb-
Rectangular prism
8 = + i> ..1 ! 7V = + a^2) 4__ | 1- = ty"Ko^2 + wj}
Thin disk 7, = *"”* /, = ?,= Jmr*	|y
Circular cylinder /, = ima^2 l, = I, = iW3a^2 + L^2>	IV
CiKular cone Ir = A"*a^ł 1 7i = Ł* łmfło? + fc*)		IV C^r-^. j

	■
		6
l Ol

Ellipił

J* = ł*afr*

'• ~ ł»o*fr

/o = Jrórffoą 4. ft>)