Wow this forum is great, thanks for the speedy replies.
See that's the answer i would give if asked for the net force on the system, however if it singled out the force ON THE WHEELS EXERTED BY THE TRACKS, is the answer still the same?
See that's my main problem. Does the braking affect the interection between the track and the wheels, the question seemed to be quite specific. Is the brake force applied to the wheels or the track?
I have recently completed my mid-year chemistry exam and came across a question that i cannot find an answer to. Me and my friends completely disagree and i was wondering if anyone could help me?
-The question showed a simplified diagram of a train around a circular section of a track, and the...