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Policy guidelines on still/video photography in Railways
The following is a summary of history of the lines of the Indian Railway.
The following is a summary of history of the lines of the Indian Railway as it was formerly
constituted (i.e. between 1955 and the reorganisations of 2002-3). Opening and closure dates are for
regular traffic, dates in brackets are for goods traffic. The condition of the lines, including spelling of
place names, is, as far as possible, as at Independence (15th August 1947). Letters...
This is because there is very less friction between the wheels of the locomotive and the train.
This is the fundamental principle based on which railways were developed. Steel wheels on steel rails experience far lesser friction than say, rubber wheels on a road (like trucks and cars). In fact the friction reduces by almost 85-95%, which makes it extremely easy to pull or push very heavy loads on rail tracks.
As an example, using very simple approximations and numbers, one can illustrate how easy it is to move things on rails.
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