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50% i understand and 50% I don't.......


Tony
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IF you look at the bogey furthest away, it's actually created deep scores in the tarmac surface.  It's not on a set of rails.

The front bogey is located on rails.

 

Assume the tramcar was travelling left to right, something else was moving from back to front (as we see the picture). That would :-

a) damage the front left of the tram (as photo)

b) impart a torque on the tram to turn the front towards us and the rear away (clockwise from the top)

Let's assume the driver hit the emergency brakes,  than the weight transfer would be rear to front, an impact would also raise the rear of the tram, allowing the wheels to jump the rails.

Once the wheels are free of the rails, the bogey will rotate to the least resistance - i.e parallel to the direction of travel. It also looks like the bogeys have been displaced from their normal positions (the trams leaning)...

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