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Physics rotation question?
A system of point particles is shown in the following figure. Each particle has mass 0.83 kg, and they all lie in the same plane.
a) What is the moment of inertia (in kg · m^2) of the system about the given axis?
b) If the system rotates at 5.1 rev/s, what is its rotational kinetic energy (in J)?
Not shown in the picture is the length:
On the vertical shaft it is 35 cm.
On the horizontal shaft it is 22 cm.
On the diagonal shaft it is 55 cm.
