Moment of Inertia – Nursing Writings

Moment of Inertia – Nursing Writings

Four small spheres, each of which can be regarded as a pointmass of 0.200 kg, are arranged in a square 0.400 m and connected byextremely light rods. Find the moment of inertia of the system aboutan axisa) through the center of the square O, perpendicular to the plane ofthe squareb) bisecting two opposite sides of the square (line A-B in the figure)c) passing through O along a diagonal of the squared) Suppose the masses of the rods are not negligible but also equal to0.200 kg each. Repeat your calculation in part a) to c) (Hint: For a flat object that lies entirelywithin a plane, the moments of inertia about the x, y and z axis are related by , whereall axes go through the same point and the z axis is perpendicular to the plane of the object(perpendicular axis theorem)).The link for the uploaded image is :-http://img845.imageshack.us/img845/1043/momentofinertia.png

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