A Course of Mathematics: For the Use of Academies as Well as Private Tuition : in Two Volumes, Volume 2W. E. Dean, 1831 |
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Page 170
... cylinder , is to the distance between two threads of the screw : as is evident by considering that , in making one round , the spiral rises along the cylinder the distance between the two threads . 84. PROP . The energy of a power ...
... cylinder , is to the distance between two threads of the screw : as is evident by considering that , in making one round , the spiral rises along the cylinder the distance between the two threads . 84. PROP . The energy of a power ...
Page 178
... cylinder , or any prism whatever ; then the axis or line , or plane rs , which bisects all the sections parallel to QR , will pass through the centre of gravity of all those sections , and consequently through that of the whole figure C ...
... cylinder , or any prism whatever ; then the axis or line , or plane rs , which bisects all the sections parallel to QR , will pass through the centre of gravity of all those sections , and consequently through that of the whole figure C ...
Page 234
... cylinder ; to augment its open- ing when the motion is slackening , and reciprocally diminish it when the motion is accelerated . The construction is , often , so modified that the flying out of the balls causes the ring I to be ...
... cylinder ; to augment its open- ing when the motion is slackening , and reciprocally diminish it when the motion is accelerated . The construction is , often , so modified that the flying out of the balls causes the ring I to be ...
Page 243
... cylinder that weighs 100lbs . to turn upon a horizontal axis , and imagine motion to be communicated by a weight of 10lbs . attached to a cord which coils upon the surface of the cylinder : how far will that weight descend in 10 ...
... cylinder that weighs 100lbs . to turn upon a horizontal axis , and imagine motion to be communicated by a weight of 10lbs . attached to a cord which coils upon the surface of the cylinder : how far will that weight descend in 10 ...
Page 249
... cylinder , the weight of the fluid is to the pressure against the upright surface , as the radius of the base is to double the altitude . Also , when the rectangular prism becomes a cube , it ap- pears that the weight of the fluid on ...
... cylinder , the weight of the fluid is to the pressure against the upright surface , as the radius of the base is to double the altitude . Also , when the rectangular prism becomes a cube , it ap- pears that the weight of the fluid on ...
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Common terms and phrases
absciss altitude axis ball base beam becomes body centre of gravity circle conic surface consequently Corol cosine curve cylinder denote density descending determine diameter direction distance draw earth equa equal equation equilibrio EXAM expression feet find the fluent fluid force given plane ground line Hence horizontal plane hyperbola inches inclined plane intersection length logarithm measure motion moving multiplied nearly ordinate parabola parallel pendulum perpendicular position pressure prob PROBLEM PROP proportional quantity radius ratio rectangle resistance right angles right line roots Scholium side sine solid angle space specific gravity spherical excess spherical triangle square straight line supposed surface tangent theorem theref tion variable velocity vertex vertical plane vertical projections vibrations weight whole
Popular passages
Page 13 - In any plane triangle, the sum of any two sides is to their difference, as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Page 469 - Or, by art. 249 of the same, the pressure is equal to the weight of a column of the fluid...
Page 74 - To prove that the exterior angle of a triangle is equal to the sum of the two interior opposite angles (see fig.
Page 299 - The workmen thought that substituting part silver was only a proper <perquisite; which taking air, Archimedes was appointed to examine it ; who, on putting...
Page 158 - MECHANICAL POWERS are certain simple instruments employed in raising greater weights, or overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Page 249 - BPC) ; or, the pressure of a fluid on any surface is equal to the weight of a column of the fluid...
Page 301 - In the doctrine of fluxions, magnitudes or quantities of all kinds are considered as not made up of a number of small parts, but as generated by continued motion, by means of which they increase or decrease ; as a line by the motion of a point ; a surface by the motion of a line ; and a solid by the motion of a surface.
Page 254 - Weigh the denser body and the compound mass, separately, both in water, and out of it ; then find how much each loses in water, by subtracting its weight in water from its weight in air; and subtract the less of these remainders from the greater. Then...
Page 494 - The reason is, all bodies lose some of their weight in a fluid, and the weight which a body loses in a fluid, is to its whole weight, as the specific gravity of the fluid is to that of the body.
Page 461 - ... horizontal *. 2. The theorems just given may serve to show, in what points of view machines ought to be considered by those who would labour beneficially for their improvement. The first object of the utility of machines consists in furnishing the means of giving to the moving force the most commodious direction ; and, when it can be done, of causing its action to be applied immediately to the body to be moved. These can rarely be united : but the former can be accomplished in most instances...