Mathematics, mechanics, heatAmerican School of Correspondence, 1903 - Engineering |
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Page 3
... weight . 3. Geometry is that branch of mathematics which treats of the properties of extension . 4. Extension has one or more of the three dimensions , length , breadth , or thickness . 5. A Point has position , but not magnitude . 6. A ...
... weight . 3. Geometry is that branch of mathematics which treats of the properties of extension . 4. Extension has one or more of the three dimensions , length , breadth , or thickness . 5. A Point has position , but not magnitude . 6. A ...
Page 25
... weight . Two leads are used for sounding , - a hand lead weighing from 7 to 14 pounds , with a line marked to 20 fathoms , and a deep sea lead weighing from 40 to 100 pounds , with a lead line about 100 fathoms in length . A hand lead ...
... weight . Two leads are used for sounding , - a hand lead weighing from 7 to 14 pounds , with a line marked to 20 fathoms , and a deep sea lead weighing from 40 to 100 pounds , with a lead line about 100 fathoms in length . A hand lead ...
Page 3
... weights ; that is to say we know how much a molecule of one substance weighs when compared with one of another . But if a molecule should be divided and the identity of the substance be lost , we should have , as a result of our ...
... weights ; that is to say we know how much a molecule of one substance weighs when compared with one of another . But if a molecule should be divided and the identity of the substance be lost , we should have , as a result of our ...
Page 5
... weight by use ; yet the amount of matter lost with each transfer is beyond perception . Porosity is the property which indicates that spaces may exist between the molecules . If a piece of iron is heated it expands , that is , it ...
... weight by use ; yet the amount of matter lost with each transfer is beyond perception . Porosity is the property which indicates that spaces may exist between the molecules . If a piece of iron is heated it expands , that is , it ...
Page 13
... forces , and may be veri- W FIG . 3 . fied experimentally , as follows : suppose we have a stand with two uprights fitted with the pulleys M and N , Fig . 3. Let ABDC be a light wooden frame , and let a weight of 120 MECHANICS . 13.
... forces , and may be veri- W FIG . 3 . fied experimentally , as follows : suppose we have a stand with two uprights fitted with the pulleys M and N , Fig . 3. Let ABDC be a light wooden frame , and let a weight of 120 MECHANICS . 13.
Common terms and phrases
acting altitude amount beam body called center of gravity chart circle coefficient compass Corollary course cubic dead reckoning decimal degrees diameter direction distance divided earth elastic elastic limit energy equal equation EXAMPLES FOR PRACTICE factor of safety feet per second foot foot-pounds force formula friction gear given greater Greenwich mean heat Hence hour angle hypothenuse kinetic latitude length liquid load logarithm longitude magnetism mantissa mercury meridian miles minute molecules motion move multiplied Nautical orifice parallel parallelogram pendulum perpendicular plane polygon position poundal pounds per square pressure proportional pulley quadrant radius resultant revolutions revolutions per minute right angles right triangles sextant shaft ship ship's side specific gravity square inch straight line stress substance surface temperature Theorem tion triangles A B C unit velocity vertical vessel weight wheel wrought iron
Popular passages
Page 70 - PROBLEM. To inscribe a circle in a given triangle. Let ABC be the given triangle : it is required to inscribe a circle in the triangle ABC.
Page 39 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Page 32 - If the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.
Page 6 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.
Page 7 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Page 54 - If two polygons are composed of the same number of triangles, similar each to each and similarly placed, the polygons are similar.
Page 21 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Page 31 - If two sides of a quadrilateral are equal and parallel, the figure is a parallelogram.
Page 60 - The area of a triangle is equal to one-half the product of its base and altitude.
Page 46 - An angle formed by a tangent and a chord is measured by onehalf the intercepted arc.