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Given:

Actual mass 116 500 lb
Original CG station 435.0
Compartment A station 285.5
Compartment B station 792.5

If 390 lb of cargo is moved from compartment B (aft) to compartment A (forward), what is the station number of the new CG?

  • A
    433.3
  • B
    506.3
  • C
    463.7
  • D
    423.3

Formula:

Mass change/ Total Mass = Change in CG / Total Distance Moved

Transpose formula:

(Mass change x total distance moved)/Total mass = Change in CG

(390 x 507)/ 116500 = 1.697

New CG Station = 435 - 1.697 = 433.3

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