Performance and weight and balanceQuestion 698 of 934

A 40-pound bag is placed at a station 90 inches aft of the datum. What is its moment?

  1. 130 inch-pounds
  2. 3,200 inch-pounds
  3. 360 inch-pounds
  4. 3,600 inch-pounds
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Correct answer: 3,600 inch-pounds

Weight times arm equals moment: 40 times 90 equals 3,600 in-lb.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 10: Weight and Balance — Principles of Weight and Balance Computations, page 250

Practice performance and weight and balance

Questions last reviewed: 18 October 2026