Is there anything wrong with this thinking? If there were to be two remote contr

Question

Is there anything wrong with this thinking? If there were to be two remote control cars, one large one with a long plateform on top of it and then a smaller one that sits on top of that plateform on top of the first car, placed on one end of a semi-trailer going down the road at 60 mph and a pilot started to drive the bigger car forward at 10 mph and then a second pilot started to drive the smaller car forward at 10 mph, would the smaller car be going 80 mph?
What if there were infinitely smaller cars stacked and an infinite amount of pilots to move those cars in a synchronized manner, would the smallest of those cars approach infinitely high speeds? Something must be wrong here, thanks! Is there anything wrong with this thinking? If there were to be two remote control cars, one large one with a long plateform on top of it and then a smaller one that sits on top of that plateform on top of the first car, placed on one end of a semi-trailer going down the road at 60 mph and a pilot started to drive the bigger car forward at 10 mph and then a second pilot started to drive the smaller car forward at 10 mph, would the smaller car be going 80 mph?
What if there were infinitely smaller cars stacked and an infinite amount of pilots to move those cars in a synchronized manner, would the smallest of those cars approach infinitely high speeds? Something must be wrong here, thanks! If there were to be two remote control cars, one large one with a long plateform on top of it and then a smaller one that sits on top of that plateform on top of the first car, placed on one end of a semi-trailer going down the road at 60 mph and a pilot started to drive the bigger car forward at 10 mph and then a second pilot started to drive the smaller car forward at 10 mph, would the smaller car be going 80 mph?
What if there were infinitely smaller cars stacked and an infinite amount of pilots to move those cars in a synchronized manner, would the smallest of those cars approach infinitely high speeds? Something must be wrong here, thanks!

Explanation / Answer

No, Nothing is wrong in this. It is relative concept. If a body moves with speed ‘x’ and another body moves on top of it with speed ‘y’ in same direction, then the speed of the upper body is ‘x+y’ with respect to ground. So it is possible.

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