@bbrownrigg: "The less surface area touching the track, the less friction caused at point of contact." This is incorrect, even if it feels right. Static friction (which is what this rolling friction is) = the normal force * k. (k is a constant that depends on the surfaces) This does not depen...
@bbrownrigg: "The less surface area touching the track, the less friction caused at point of contact." This is incorrect, even if it feels right. Static friction (which is what this rolling friction is) = the normal force * k. (k is a constant that depends on the surfaces) This does not depen...