Applied Mechanics and Graphic Statics
A rigid body is in a stable equilibrium if the application of any force

Neither raises nor lowers the CG of the body
Tends to lower the CG of the body
None of above
Can raise the CG of the body but cannot lower it

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Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Sphere with lesser rotational energy at bottom than cylinder
Sphere with greater rotational energy at bottom than cylinder
Both reach the bottom simultaneously with equal rotational energy at bottom
Cylinder with greater rotational energy at bottom than sphere

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