A 2 kg mass and a 6 kg mass are attached to either end of a 3 m long massless ro

Question

A 2 kg mass and a 6 kg mass are attached to either end of a 3 m long massless rod.

a.) Find the center of mass of the system.
?m, from the 2 kg mass.

Find the rotational inertia (I) of the system when rotated about:
b.) the end with the 2 kg mass.
? kg m2
c.) the end with the 6 kg mass.
?kg m2
d.) the center of the rod.
kg m2
e.) the center of mass of the system.
? kg m2
(Compare this to parts b-d. Is this what you expect?)

f.) If the system is rotated about the center of mass by a force of 6 N acting on the 6 kg mass, (perpendicular to the rod), what will the size of the angular acceleration of the system be?
?rad/s2

Explanation / Answer

noo

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