## A Course of Mathematics: For the Use of Academies, as Well as Private Tuition, Volume 2 |

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Results 1-5 of 68

Page 68

Though they, however, were made of the best seasoned timber, were perfectly

straight, and were secured from bending in the most effectual manner; yet the

changes in their lengths, occasioned by the

air, ...

Though they, however, were made of the best seasoned timber, were perfectly

straight, and were secured from bending in the most effectual manner; yet the

changes in their lengths, occasioned by the

**variable**moisture and dryness of theair, ...

Page 69

Though they, however, were made of the best seasoned timber, were perfectly

straight, and were secured from bending in the most effectual manner; yet the

changes in their lengths, occasioned by the

air, ...

Though they, however, were made of the best seasoned timber, were perfectly

straight, and were secured from bending in the most effectual manner; yet the

changes in their lengths, occasioned by the

**variable**moisture and dryness of theair, ...

Page 114

Transcendental or mechanical curves, are such as cannot be so defined or

expressed by a pure algebraical equation; or when they are expressed by an

equation, having one of its terms a

Nature and ...

Transcendental or mechanical curves, are such as cannot be so defined or

expressed by a pure algebraical equation; or when they are expressed by an

equation, having one of its terms a

**variable**quantity, or a curve line. [ 114 )Nature and ...

Page 115

of its terms a

cos r, y = A*, are equations to transcendental curves ; and the latter in particular is

an equation to an exponential curve. Def. 4. Curves that turn round a fixed point ...

of its terms a

**variable**quantity, or a curve line. Thus, y = log r, y = A. sin a , y = A .cos r, y = A*, are equations to transcendental curves ; and the latter in particular is

an equation to an exponential curve. Def. 4. Curves that turn round a fixed point ...

Page 134

Here the required equation must be deduced from the law or manner of

construction of the proposed surface, the reference being to three co-ordinates,

commonly rectangular ones, the

two, namely ...

Here the required equation must be deduced from the law or manner of

construction of the proposed surface, the reference being to three co-ordinates,

commonly rectangular ones, the

**variable**quantities being r, y, and z. Of these,two, namely ...

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absciss altitude axis ball base beam becomes body centre of gravity chords 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 angle spherical excess spherical triangle square straight line supposed surface tangent theorem 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 465 - Or, by art. 249 of the same, the pressure is equal to the weight of a column of the fluid...

Page 70 - To prove that the exterior angle of a triangle is equal to the sum of the two interior opposite angles (see fig.

Page 295 - 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 154 - 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 245 - BPC) ; or, the pressure of a fluid on any surface is equal to the weight of a column of the fluid...

Page 297 - 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 250 - 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 490 - 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 457 - ... 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...