Quote:
Originally Posted by JDd
A Tractor pull sled weighs the same from start to finish. It doesn't GAIN weight. The weight moving forward pushes the sled into the ground. The tractor isn't pulling more weight. the weight is being transfered from a rolling force to a dragging force. The force that slows and/or stops the tractor is friction. Not weight.
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This isn't the same as pulling a trailer.