THE BICYCLE.
WHY DOES IT KEEP UPRIGHT? We know that tile bicycle does not keep upright when it is still) but it does so when in motion. The same is the case with a hoop. The more a bicycle or 3, hoop moves, the, most surely does it tend to keep upright. There must be something, then, in the nature of motion that keeps the bicycle upright; not some-' thing in the bicycle itself, or else it would keep upright apart from its motion. Newton's first law of motion must be the answer. This says that a moving thing will move at a constant speed in the same straight line for ever, unless it is acted on by some other force. That is what happens to. the bicycle or the hoop. It is a moving thing, set moving in a certain direction, and according to the first Jaw of motion it must go on moving in that same line until something interferes with it and so it keeps upright.
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Bibliographic details
Auckland Star, Volume LXIV, Issue 117, 20 May 1933, Page 3 (Supplement)
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169THE BICYCLE. Auckland Star, Volume LXIV, Issue 117, 20 May 1933, Page 3 (Supplement)
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