217,289 research outputs found
7.42 S94-027302 F=MA, Balance Assy.
No full textA view of an instrument for Body Mass Measurement. Noted: F=MA, Balance Assy
7.40 S94-027300 F=MA, Photo detector
No full textA view of an instrument for Body Mass Measurement. Noted: F=MA, Photo detector
7.41 S94-027301 F=MA, Wheel with index
No full textA view of an instrument for Body Mass Measurement. Noted: F=MA, Wheel with index
7.38 S94-027298 F=MA, Wheel with index
No full textA view of an instrument for Body Mass Measurement. Noted: F=MA, Wheel with index
7.44 S94-027305 F=MA, Balance Assy. Buckets
No full textA view of an instrument for Body Mass Measurement. Noted: F=MA, Balance Assy. Bucket
F=ma or ma=F, Which is Suitable Formula for the Newton's Equation of Motion? 1. -ma=F is common in Japan-
No full textNewtonの運動方程式は、F=maともma=Fとも表記される。等式の左右には意味があるので、加速度aと力Fの因果関係からすればma=Fだというのは納得できる。教育現場でも利便性が高い。しかしma=Fが見られるのは日本のみで、海外ではもっぱらF=maである。ma=Fには欠点もあり、質量mについての因果関係を考えると、mが左辺に位置するのは不自然である。いっぽうF=maにも、W=mgとの対応関係など利点がある。運動方程式が力の定義式か加速度の定義式か、という議論は世界中で行われているのだが、国際的にはこれが方程式の表記法に反映されない理由は、今のところ分からない。departmental bulletin pape
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Euler is an innovator of F =ma, Newton’s second law gives F = KdV; F =ma may be obtained from Newton’s law by logically modifying it
No full textThere are two distinct forms of Newton’s second law of motion (1686) i.e. original or Principia’s form of (change in motion is proportional to impressed force, F = KdV) and textbook form (rate of change of momentum is proportional to impressed force, F =ma). Newton neither gave acceleration nor F =ma, it is mentioned by IOP England, publications of the American Institute of Physics, etc. Truesdell has inconsistently pointed out in 1960 that Euler had given F =ma in 1752, but the truth is that Euler had given F=2ma in the said paper. Euler had also given various equations such as F =ma/n, F =2ma, F =ma/2g, F =ma etc.; but these are ignored by Truesdell. The exceptionally useful equation F =ma was given by Euler in 1775, and then succeeding scientists inconsistently tried to show that F =ma follows from the original form of the law. Consequently, some arbitrary assumptions are made, original form, F =KdV; and the fact that Euler gave F =ma are not mentioned in the standard textbooks. For comparison, Newton’s first law and third law (Reaction =-Action) are the same in the Principia and textbooks. In the existing literature, F =ma is obtained from Principia’s definition of NSLM, by replacing ‘change in motion’ equal to ‘rate of change of momentum’, but motion is not ascribed to any units and dimensions. If the original definition of Newton’s law is changed in a postulatory way i.e. ‘change in motion’ is replaced by ‘rate of change in momentum’ and ‘proportionality’ by ‘equality’; then F=ma is obtained from a modified equation without any arbitrary assumption. In 1893, Rouse Ball randomly altered Newton’s second law as a change in momentum [per unit time] is always proportional to the impressed force
Reversible and Testable Circuits for Molecular QCA Design
No full textEmerging technologies have been widely advocated to supersede the projected limitations of CMOS at the end of the roadmap. Computation at nano regimes is substantially different from conventional VLSI. Extremely small feature size, high device density and low power are some of the attributes that emerging technologies must address, while implementing new computational paradigms. One of these paradigm is reversible computing. Reversible computation is accomplished by establishing a one-to-one onto mapping between the input states and output states of the circuit. This bijective property was initially investigated by Landauer who showed that kT ln 2 joules of energy are generated for each bit of information lost due to non reversible computation [6]. But,if computation is performed in a reversible manner, it has been shown that kT In 2 energy dissipation would not necessarily occur. Due to the bijective property, testing of reversible logic is generally simpler than conventional irreversible logic
F-Stable Secondary Representations and Deformation of F-Injectivity
No full textWe prove that deformation of F-injectivity holds for local rings (R, m) that admit secondary representations of Hmi(R) which are stable under the natural Frobenius action. As a consequence, F-injectivity deforms when (R, m) is sequentially Cohen–Macaulay (or more generally when all the local cohomology modules Hmi(R) have no embedded attached primes). We obtain some additional cases if R/ m is perfect or if R is N-graded
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