I have to apply the 3rd law i think to this, just not sure how to. A 2000 kg motorboat's propeller pushes on the water toward the west with a 2000 N force. The wind blowing toward the south pushes the motorboat with a 500 N force. Determine the location of the motorboat 10 seconds from the starting point where its initial velocity is zero. I have like 3 different problems like this one, so i choose thise one and hope someone can help me figure it out, then i can do the other ones easily. So what do i do now? I drew a graph with the N E W S directions and have 2000N going W and 500N going south, now what?