Each sub system taken alone has an ability to continue to rotate due to {HEAD ~ the 148 units} of {TAIL ~ kinetic energy} by the end of each interval of movement, which is the same as a potential energy in the initial position of movement 
Each sub system taken alone has an ability to continue to rotate due to { HEAD ~ the 148 units } of { TAIL ~ kinetic energy } by the end of each interval of movement , which is the same as a potential energy in the initial position of movement
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH