Mathematics, mechanics, heatAmerican School of Correspondence, 1903 - Engineering |
From inside the book
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Page 57
... square whose side is some unit of length ; for example , a square inch , or a square foot . Equivalent Polygons are those which have the same area . 189 . 190. The projection of a point upon a straight line of indefi- nite length is the ...
... square whose side is some unit of length ; for example , a square inch , or a square foot . Equivalent Polygons are those which have the same area . 189 . 190. The projection of a point upon a straight line of indefi- nite length is the ...
Page 59
... square inches , then the amount of friction per square inch will be 30 pounds . If the area is in- creased to 100 square inches , the friction per square inch will be 15 pounds or only one half as much as before , and the wear and ...
... square inches , then the amount of friction per square inch will be 30 pounds . If the area is in- creased to 100 square inches , the friction per square inch will be 15 pounds or only one half as much as before , and the wear and ...
Page 6
... square inch , tons per square inch or per square foot , kilograms per square centimeter , etc. For example , if a block of cast iron has an area of three square inches and a stress of 15,000 pounds is applied to the upper surface , the ...
... square inch , tons per square inch or per square foot , kilograms per square centimeter , etc. For example , if a block of cast iron has an area of three square inches and a stress of 15,000 pounds is applied to the upper surface , the ...
Page 7
... square inch , what is the diameter of the rope ? A = Р S = 314.16 400 = .7854 square inches . Since the area is .7854 square inches , the diameter is one inch . When a force or weight is applied to a bar or block , there is a change of ...
... square inch , what is the diameter of the rope ? A = Р S = 314.16 400 = .7854 square inches . Since the area is .7854 square inches , the diameter is one inch . When a force or weight is applied to a bar or block , there is a change of ...
Page 10
... inch . What is E ? S 45,000 E = = b .0015 = 30,000,000 . A flat cast iron foundation ring , four inches high , whose area is 4 square feet , has a weight of 144 tons placed on the top . If the weight causes a shortening of .00016 of an inch ...
... inch . What is E ? S 45,000 E = = b .0015 = 30,000,000 . A flat cast iron foundation ring , four inches high , whose area is 4 square feet , has a weight of 144 tons placed on the top . If the weight causes a shortening of .00016 of an inch ...
Common terms and phrases
altitude amount attraction beam body called center of gravity chart circle coefficient column compass Corollary cubic cubic foot dead reckoning degrees diameter direction distance divided earth elastic limit energy equal equation equilibrium EXAMPLES FOR PRACTICE factor of safety feet per second foot foot-pounds formula friction gear given greater Greenwich mean heat Hence hour angle kinetic latitude length liquid load longitude magnetism mercury meridian meter miles minute molecules motion move multiplied Nautical navigator one-half orifice parallel parallelogram pendulum perpendicular pitch plane polygon position poundals pounds per square pressure proportional pulley radius resultant revolutions revolutions per minute right angles right triangles sailing sextant shaft ship ship's side specific gravity square inch straight line substance Suppose surface temperature Theorem tion velocity vertical vessel volume 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.