The elements of mechanics, comprehending statics and dynamics (1848)
Young, J. R. (John Radford), 1799-1885, Williams, John D., ed · Philadelphia, E.H. Butler & Co · leaf 188
pendulum of length a vibrates in a small circular arc is expressed by f=ff.\— hence the time of gyration of a conical pendulum is exactly doublethe time in which a simple pendulum, whose length is the height ofthe cone, would vibrate in a small circular arc. CHAPTER IV. ON CENTRAL FORCES. (135.)… … ON CENTRAL FORCES. 167 tion, and to present the equations of motion with no more generalitythan may be requisite, in order to comprise the theory of a bodysmotion, when urged by a single centre of force. It will be convenient here to put aside the use of rectangular co-ordinates, and to empsoy…
Mechanics, Analytic
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-108-29.webp)
![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-65-12.webp)
