Buddy-Aid. 1  Casualties with severe symptoms may experience most or all of the mild symptoms described above, plus most or all of the following: -. 2  If you encounter a service member suffering from severe signs of nerve agent poisoning, render the following aid: Mask the casualty, if necessary. Do not fasten the hood.
EARTH'S MASS, DENSITY, AND MOMENT OF INERTIA. To learn what the earth is made of, our first constraint is its density (mass / volume). We find its mass from the acceleration of gravity g. The universal law of gravity says that the force F betwen objects M and m.
Center of Mass and Moment of Inertia. Two concepts we ve mentioned, but never explained thoroughly are center of mass and moment of inertia. Thus far, you have always treated center of mass as the center of an object and used moment of inertia as the rotational mass (without really knowing how to derive it).