Applied Mechanics and Graphic Statics
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?

Disc with larger density
None of these
Disc with smaller density
Both discs will have same rotational inertia

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Applied Mechanics and Graphic Statics
A body is said to move with Simple Harmonic Motion if its acceleration, is

Proportional to the distance from the point of reference and directed towards it
Always directed away from the centre, the point of reference
Proportional to the square of the distance from the point of reference
Inversely proportion to the distance from the point of reference

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