Lectures on Select Subjects in Mechanics, Hydrostatics, Pneumatics, Optics, and AstronomySherwood and Company Paternoster Row, 1825 - Всего страниц: 463 |
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Стр. 14
... Center of gravity , A B F Thus , the body D in rol- ling down the inclined ... motion in a space quite free of air , and all other resis- tance , and had ... center of gravity is that point of a body in which the whole force of its ...
... Center of gravity , A B F Thus , the body D in rol- ling down the inclined ... motion in a space quite free of air , and all other resis- tance , and had ... center of gravity is that point of a body in which the whole force of its ...
Стр. 19
... center of motion F as the point is against which the bar bears , it will move 20 times as far as the bar lengthens . And as this crooked end bears against the index G K at only a 20th part of the whole length G S from its center of motion ...
... center of motion F as the point is against which the bar bears , it will move 20 times as far as the bar lengthens . And as this crooked end bears against the index G K at only a 20th part of the whole length G S from its center of motion ...
Стр. 29
... center of gravity be- tween K and L. Nay , even the great body S will not keep in the center ; for it will be the ... motion round the common center of gravity of all the three ; let us first suppose E ( p . 30. ) to be the sun , and e ...
... center of gravity be- tween K and L. Nay , even the great body S will not keep in the center ; for it will be the ... motion round the common center of gravity of all the three ; let us first suppose E ( p . 30. ) to be the sun , and e ...
Стр. 30
... motion about the sun ; in which case , whilst the moon revolves about in her orbit ABC , the earth will revolve in the circle S 13 , whose center R is the com- mon center of gravity of the earth and moon ; they being connected by the ...
... motion about the sun ; in which case , whilst the moon revolves about in her orbit ABC , the earth will revolve in the circle S 13 , whose center R is the com- mon center of gravity of the earth and moon ; they being connected by the ...
Стр. 33
... motion . Each bearer has two wires , W , X , and Y , Z , fixed and screwed tight into them at the ends by nuts on ... center of the bearer to its end , as occasion requires , by a nut - screw at the top of the ball ; the shank of the screw ...
... motion . Each bearer has two wires , W , X , and Y , Z , fixed and screwed tight into them at the ends by nuts on ... center of the bearer to its end , as occasion requires , by a nut - screw at the top of the ball ; the shank of the screw ...
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altitude angle axis axle ball body bottom brass brazen meridian bucket bulk catgut center of gravity center of motion centrifugal force circle cock cogs cubic cylinder declination degrees dial diameter distance divided draw drawn earth ecliptic edge engine equal equator equinoctial fall feet fixed fluid glass gnomon half hole horizon hour-lines inches inclined plane latitude LECT length lever machine mean motion moon move north pole object ounces parallel perpendicular height pipe piston plane plate polar circles pole pounds pressure pulley pump quadrant quantity quicksilver raised ratchet-wheel rays receiver right line rise rope scale screw shew side sine specific gravity spring square steam steam engine sun's place suppose surface syphon tion troy troy ounces Troy weight trundle tube valve velocity vessel wedge weight wheel whilst whole winch wire