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Problem
1: Olive Euler
Problem
1: Olive Euler
Part
A
The principal axes of the system are the x-axis, the y-axis
along the toothpick and the z-axis perpendicular to both the x and y axes.
For the olive, we have Ixx = ∫x²dm = ∫x²ρ0dV where dV is an
infinitesimal volume
Ixx = ∫x²dm = ∫x²ρ0dV
x=0
Ixx=0
This leads to Ixx = ρ0∫(z² + y²)dV
I = [Ixx 0 0; 0 Iyy 0; 0 0 Izz] = [ρ₀∫(z² + y²)dV 0 0; 0 (ρ₀∫(z²
+ x²)dV +1/2mr^2) 0; 0 0 (ρ₀∫(x² + y²)dV +1/2mr^2)]
where Ixx = ρ₀∫(z² + y²)dV for the entire system, Iyy ≈ ρ₀∫(z² +
x²)dV +1/2mr^2 for the entire system and Izz ≈ ρ₀∫(x² + y²)dV +1/2mr^2 for the
entire system.
Part B
Multiplying this total rotation matrix with our initial basis vectors...