Elementary Mechanics Including Hydrostatics And Pneumatics
The book Elementary Mechanics Including Hydrostatics And Pneumatics was written by author Oliver Lodge Here you can read free online of Elementary Mechanics Including Hydrostatics And Pneumatics book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary Mechanics Including Hydrostatics And Pneumatics a good or bad book?
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[SECT. 66. its intensity has to be multiplied by a proper fraction to give its accelerative effect), but the laws of falling remain the same. Another mode of diluting gravity, employed by Galileo, is to roll round bodies down an inclined plane. 67. Mode of measuring the Intensity of Gravity. To use the machine for measuring , we put on the string two nearly equal weights, masses P and Q ; the effective force is then the difference of their weights, Py - Q# ; the mass moved is P + Q ; hence the ...acceleration is (by direct application of Newton's second law, in the form a = the ratio of the moving force to the mass moved) Pf/ -Og P - Q If this acceleration (call it a) is observed, g is easily cal- culated. To obtain a experimentally, you may observe the distance s fallen in time t, and then apply the formula For instance, let P be 21 oz. And Q be 23 oz. , then the acceler- ation is, as calculated dynamically, a* 7 - ov i- Let the weights move for six seconds, repeating the experiment several times to get it fairly accurate, and observe that the heavier weight has fallen (and the lighter weight risen) a distance of 26 feet; then say 26 feet = a x {6 sec.
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