Train Engine
Train Engine

How a Railway engine gets grip enough to pull a heavy train?
The wheels are iron and so the track is ... i cant imagine an engine getting enough grip to pull a train...
plz answer if u know
The flange on the wheel has nothing to do with getting grip. It's purely down to massive weight going through a tiny contact patch. While metal can slide against metal quite easily, it is very hard to slide when the two pieces are being squeezed together so hard.
Mind you, physics helps. While a heavy train may have a lot of inertia, it also has a very low rolling resistance. This means that most of the work is done just getting the thing moving from stationary. In fact it's not difficult for an averagely fit adult to be able to move an unbraked rail vehicle without assistance.
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