If one can locate an axis of symmetry for a homogenous object, thenthe centroid

Question

1. If one can locate an axis of symmetry for a homogenous object, thenthe centroid must be located along that axis.
   1. True
   2. False
2. For composite objects, the location of the composite centroid canbe determined by averaging the distances from the axes for each ofthe subparts.
   1. True
   2. False
3. Pressure in a fluid acts equally in all directions at any selectedpoint in the fluid.
   1. True
   2. False
4. The moment of inertia is what the entity of the formr²dA is generally called.
   1. True
   2. False
5. The parallel axis theorem for moments of inertia of an object canbe applied directly to any two parallel axes.
   1. True
   2. False

Explanation / Answer

If one can locate an axis of symmetry for a homogenous object, thenthe centroid must be located along that axis. *TRUE, because the center of mass will be on that axis* For composite objects, the location of the composite centroid canbe determined by averaging the distances from the axes for each ofthe subparts. *TRUE* Pressure in a fluid acts equally in all directions at any selectedpoint in the fluid. *TRUE, however when fluid is in a container, the force sumsradially against the container* The moment of inertia is what the entity of the formr²dA is generally called. *TRUE* The parallel axis theorem for moments of inertia of an object canbe applied directly to any two parallel axes. *TRUE, as long as the two parallel axes are on the same object*

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