Module 1: Center of Mass

For every system and at every instant in time, there is a ___

unique location in space that is the average position of the system’s mass. This place is called the center of mass

Center of mass is commonly designated by ___

cm, c.o.m., COM, G, or c.g.

One of the routines but important tasks of many real ___ is to ___

engineers, tind the center of mass of a complex machine

Just knowing the location of the ___, for example, is enough to estimate whether it can be tipped over by maneuvers on level ground. The ___ must be low enough for the boat to be stable.

center of mass of a car, center of mass of a boat

The ___is the point that moves as though all of the mass were concentrated there and all external forces were applied there.

center of mass of a body or a system of bodies

For two masses m1 and m2, the center of mass is at: ___

Xcm = m1×1+m2×2/m1+m2
where m is for mass and x is for distance