3 ms·
Okay, so it takes longer for a tram to brake. What has that got to do with "efficiency"?
by deciplex 11y ago
Okay, so it takes longer for a tram to brake. What has that got to do with "efficiency"?
- timthelion 11y agoThere are different friction forces at work here, but there is a friction/resistance to rolling: https://www.google.cz/search?q=rolling+friction&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiD9KXrlvzLAhUrMJoKHc_9BpYQsAQIIg&biw=959&bih=506 https://www.google.cz/search?q=rolling+friction&tbm=isch&tbo...