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Home Q & A Board Science-Related Homework Help Physics
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ilkat ilkat
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11 years ago
How do I calculate the torque required to rotate a cube?
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ild
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#1
11 years ago
It depends on the point about which the cube is rotated
torque= moment of inertia x angular acceleration
if u are rotatin it about the the centre of mass with the axis of rotation perpendicular to the face of the cube... then the moment of inertia = 1/6 m x a x a (a=edge length of the cube, m=mass).as the axis of rotation changes the moment of inertia of the cube changes and hence the torque required to produce a particular angular acceleration changes.
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