Cylinder (12, 2); Parallelepiped (12, 3) - HP 48gII Advanced User's Reference Manual

Cylinder (12, 2)

Equations:
2
V = r h
1
2
Ixx = -- - m r
4
Example:
Given: r=8.5_in, h=65_in, m=12000_lbs, d=2.5_in.
Solution: V=14753.7045_in^3, A=3925.4200_in^2, Izz=4441750_lb in^2, Izz=433500_lb in^2,
Id=4516750_lb in^2.

Parallelepiped (12, 3)

Equations:
V = b h t
1
I = ----- - m h
12
Example:
Given: b=36_in, h=12_in, t=72_in, m=83_lb, d=7_in.
Solution: V=31104_in^3, A=7776_IN^2, I=36852_lb in^2, Id=40919_lb in^2.
5-48 Equation Reference
2
A = 2 r + 2
1
2
Izz =
+ ----- - m h
12
2
Id = Ixx + m d
A = 2 b h + b t
2 2
Id = I
+ t
r h
1
2
-- - m r
2
+ h t
2
+ m d