The correct answer is 4) 100,695 N

 

If you picked 5) you forgot that the airplane has two engines. If you picked 2) you used mass instead of weight (off by 9.8). If you picked 1) you forgot the DV term. If you picked 3) you forgot the DV term and the factor of 9.8.

Class performance (2003):

Class performance (2001):