Equilibrium, Moment of force, Work and Machines
Center of gravity (cog) is the point on a body where the entire weight of the body acts. The lower the center of gravity, the more stable an object is. This means that it is more difficult to topple a stable object compared to an unstable one. One way of lowering the center of gravity of an object is by making the base relatively heavy. Buses for example are constructed with luggage cabins on the lower sections, with limited load (carry-on luggage) being allowed in. ...read more.
