Does anybody can help me with the physics problems? Just put Fnet=0 or Fnet is NOT equal to zero for each problem

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.