First, let's remember that you find the "Net Force" of an object by the direction its going. In this case, they are both pointing in different directions.
Next, we find the "Net Force" by subtracting them and the one with the biggest force, you go in that direction.
Finally, once we subtracted 5 from 9 we get a "Net Force" of 4
Cliff and Cracks, Sink under ocean I know for sure.
Explanation:
We have mountains because of convergent plates. they push eachother up and make cliffs. i also know sink under the ocean because we have underwater volcanoes for that reason