An elementary treatise on mechanics1848 |
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Σελίδα viii
... equation of path , 144 ; time of flight - range , 145 ; greatest height , 146 ; velocity is what would be acquired in falling from the directrix , 147 ; range on an inclined plane , 147 ; examples on projec- tiles , 148 PAGE 143 149 ON ...
... equation of path , 144 ; time of flight - range , 145 ; greatest height , 146 ; velocity is what would be acquired in falling from the directrix , 147 ; range on an inclined plane , 147 ; examples on projec- tiles , 148 PAGE 143 149 ON ...
Σελίδα 30
... equation cannot be true unless we have ( X ) = 0 ( Y ) = 0 These are the two necessary and sufficient equations for equili- brium , when any number of forces in one plane act at one point . 24. PROP . To investigate the expressions for ...
... equation cannot be true unless we have ( X ) = 0 ( Y ) = 0 These are the two necessary and sufficient equations for equili- brium , when any number of forces in one plane act at one point . 24. PROP . To investigate the expressions for ...
Σελίδα 32
... equations ( 1 ) , ( 2 ) , and ( 3 ) , determine G and R ; they can , however , be simplified when neither G nor R ... equation of the line ABR is y = tan . 0.x + OB or , y = Σ ( Υ ) G Σ ( x ) • x + ( X ) When there is equilibrium , we ...
... equations ( 1 ) , ( 2 ) , and ( 3 ) , determine G and R ; they can , however , be simplified when neither G nor R ... equation of the line ABR is y = tan . 0.x + OB or , y = Σ ( Υ ) G Σ ( x ) • x + ( X ) When there is equilibrium , we ...
Σελίδα 33
Richard Potter. These are the three necessary and sufficient equations of equili- brium , when any forces act on a free body in one plane . 25. If there were a fixed point in the plane of the forces , we might take it for the origin of ...
Richard Potter. These are the three necessary and sufficient equations of equili- brium , when any forces act on a free body in one plane . 25. If there were a fixed point in the plane of the forces , we might take it for the origin of ...
Σελίδα 53
... equation of moments , ux sin . Cx Cg - t × sin . Bx CB = 0 a . sin . C or , t = w 7. sin . B a c = w I h which gives the tension in the cord . Substituting in the equations ( 1 ) and ( 2 ) , we have R = ac = w sin . A , which gives the ...
... equation of moments , ux sin . Cx Cg - t × sin . Bx CB = 0 a . sin . C or , t = w 7. sin . B a c = w I h which gives the tension in the cord . Substituting in the equations ( 1 ) and ( 2 ) , we have R = ac = w sin . A , which gives the ...
Άλλες εκδόσεις - Προβολή όλων
Elementary Treatise on Mechanics (Classic Reprint) Richard Potter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Elementary Treatise on Mechanics (Classic Reprint) Richard Potter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
a₁ accelerating force angle applied Article AUGUSTUS DE MORGAN axes axis axle balance beam bisect body falls brium center of gravity cloth co-ordinates condition of equilibrium couple cycloid diagonal direction distance draw elasticity equal and opposite equation equili figure find the center fixed point forces act friction fulcrum given Greek horizontal plane impact inclined plane JUSTUS LIEBIG law of motion length lever LIEBIG magnitude mechanical advantage modulus of elasticity moving number of forces P₁ P₂ parallel forces parallelogram perpendicular Plates point of application polygon principle of virtual projected PROP pulley R₁ R₂ radius reaction represent respectively rest resultant screw Second Edition shew sides smooth space statical surface system of pullies t₁ tension three forces tion triangle uniform University of Edinburgh University of Giessen vertical line virtual velocities holds w₁ wedge weight wheel
Δημοφιλή αποσπάσματα
Σελίδα 2 - Pharmacy in the Pharmaceutical Society of Great Britain. Edited, with extensive Additions, by PROF. WILLIAM PROCTER, of the Philadelphia College of Pharmacy.
Σελίδα 10 - System of Classical Instruction, restoring the Method of Teaching formerly practised in all Public Schools. The Series consists of the following Interlinear Translations with the Original Text, in which the quantity of the doubtful Vowels is denoted ; critical and explanatory Notes, &c. V* By means of these Works, that excellent system of Tuition is effectually restored which was established by Dean Colet, Erasmus, and Lily, at the foundation of St.
Σελίδα 3 - A History of Rome ; from the Earliest Times to the Death of COMMODUS, AD 192. By Dr. L. SCHMITZ, Rector of the High School of Edinburgh, Editor of "Niebuhr's Lectures.
Σελίδα 8 - HODGSON -MYTHOLOGY FOR LATIN VERSIFICATION. A brief Sketch of the Fables of the Ancients, prepared to be rendered into Latin Verse for Schools.
Σελίδα 13 - Outlines of the Course of Qualitative Analysis followed in the GIESSEN LABORATORY. By HENRY WILL, Ph. D., Professor Extraordinary of Chemistry in the University of Giessen. With a Preface by BARON LIEBIG. 8vo, 6s., or with the Tables mounted on linen, 7».
Σελίδα 5 - Schmitz's History of Rome, From the Earliest Times to the Death of Commodus, AD 192. With Questions, by J.
Σελίδα 64 - Levers are commonly divided into three kinds, according to the relative positions of the power, the weight and the fulcrum. In a lever of the first kind, as in Jig-. 78., the fulcrum is between the power and weight. In a lever of the second kind, as in Jig.
Σελίδα 6 - From the Invention of Printing to the present time ; being Brief Notices of a large Number of Works drawn up from actual inspection.
Σελίδα 29 - ... projectile. Find the velocity at any point of the path and the level from which it must fall freely in order to acquire this velocity. 7. Show how to find the magnitude and direction of the resultant of any number of forces in one plane acting on a particle. Find the magnitude of the resultant of forces P, 6P, and 9P, when the second force makes 60° with each of the others.
Σελίδα 5 - There is no need of pronouncing any formal eulogium on this new Classical Dictionary, for in fact it is the only one with any pretensions to the name in our language ; and as such it must form part of the library of every student who desires to become acquainted with the mind of antiquity.