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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Forces of nature and such
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<blockquote data-quote="Radagast" data-source="post: 74992373" data-attributes="member: 20522"><p>The point is that Cavendish-type experiments, <strong>on their own</strong>, prove that there is an attractive force between masses satisfying F = G M m / r^2. You can show that by varying M, m, and r.</p><p></p><p>There has actually been a lot of laboratory research trying to nail down the limits of the power: is it <strong>exactly </strong>2, and does that depend on r? This research uses apparatus far more sophisticated than that of Cavendish.</p><p></p><p>Of course, Cavendish would never have set up the experiment without the hint from Newton.</p></blockquote><p></p>
[QUOTE="Radagast, post: 74992373, member: 20522"] The point is that Cavendish-type experiments, [B]on their own[/B], prove that there is an attractive force between masses satisfying F = G M m / r^2. You can show that by varying M, m, and r. There has actually been a lot of laboratory research trying to nail down the limits of the power: is it [B]exactly [/B]2, and does that depend on r? This research uses apparatus far more sophisticated than that of Cavendish. Of course, Cavendish would never have set up the experiment without the hint from Newton. [/QUOTE]
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