(I'm not sure how to quote things but...)
You said: When you do math problems, it's always good to not just get your answer and use it, but rather look at that answer and make sure it makes sense. Ask yourself, does it really make sense that the cosine of 18 times 36,297 is 8.172? It shouldn't...
Homework Statement
From the text: A farm tractor tows a 3700-kg trailer up an 18° incline with a steady speed of 3.2 m/s. What force does the tractor exert on the trailer? (Ignore friction)Homework Equations
I'm not sure which are relevant, but here are the ones I have:
ƩF=ma
ƩFy=mg+FN=may...