What is the net force in the following diagram?​

1) Viola enters Orsino's court dressed as a male.
2) Olivia asks Cesario about his parentage.
3) Malvolio makes a fool of himself in front of Olivia.
4) Sebastian reveals to Antonio that he has a twin sister.
5) Feste returns the ring to Cesario that Orsino had given to Olivia.
6) Antonio offers to take Cesario's place in the duel.