II.    Integral Momentum Theorem

We can learn a great deal about the overall behavior of propulsion systems using the integral form of the momentum equation.  The equation is the same as that used in fluid mechanics.

 

A.   An Expression of Newton's 2nd Law (e.g. = d/dt (mv))

Coordinate Frames1. Consider two coordinate systems:
a)  Inertial (labeled with subscript “Iâ€