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An aircraft had an empty weight of 2886 lbs with a moment of 101673 before several alterations were made.

1. Removing 2 passenger seats (15 lb each) at +71
2. Installing a cabinet (97 lb) at +71
3. Installing a seat and safety belt (20 lb) at +94
4. Installing radio equipment (30 lb) at +94

The alterations caused the new empty weight center of gravity (CG) to move:

A) Forward
B) Aft
C) No change
D) Cannot be determined

Answer :

Final answer:

The alterations made to the aircraft's weight and center of gravity can determine whether the CG moved forward, aft, or remained unchanged. In this case, the alterations resulted in no change to the CG.

Explanation:

The alterations made to the aircraft's weight and center of gravity (CG) can determine whether the CG moved forward, aft, or remained unchanged. In this case, the alterations involved removing 2 passenger seats (15 lb each) and installing a cabinet (97 lb) and a seat with safety belt (20 lb) at the same locations in the aircraft. Additionally, radio equipment was installed at another location. To determine the effect on the CG, you need to calculate the moments of the alterations and compare them to the moment of the original empty weight.

Since the alterations added weight at the same locations, the moments will cancel each other out and the CG will remain unchanged. Therefore, the answer is C) No change.

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