Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 pages |
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Page 1
... frustum of a cone . ] Ex . 6. Find the weight of a rectangular mass of oak , 12 ft . long , 4 ft . broad , and 2 feet thick . What would be the weight of a mass of granite of the same dimensions ? Ans . Oak , 62 cwts . 2 qrs . 5 lbs ...
... frustum of a cone . ] Ex . 6. Find the weight of a rectangular mass of oak , 12 ft . long , 4 ft . broad , and 2 feet thick . What would be the weight of a mass of granite of the same dimensions ? Ans . Oak , 62 cwts . 2 qrs . 5 lbs ...
Page 5
... frustum ; the real volume of each division will be the difference between the volumes of two conic frustums . A sufficiently close approxi- mation may be obtained by multiplying the mean surface by the thickness and considering the ...
... frustum ; the real volume of each division will be the difference between the volumes of two conic frustums . A sufficiently close approxi- mation may be obtained by multiplying the mean surface by the thickness and considering the ...
Page 117
... frustum of a pyramid is situated in the line joining the centres of gravity of the ends and at a ha2 + 2ab + 362 distance from the lower end , given by the formula x = ' 4 a2 + ab + 62 where a and b are any pair of homologous sides ...
... frustum of a pyramid is situated in the line joining the centres of gravity of the ends and at a ha2 + 2ab + 362 distance from the lower end , given by the formula x = ' 4 a2 + ab + 62 where a and b are any pair of homologous sides ...
Page 125
... frustum is found by multiplying the area of the base into the length of a line drawn perpendicularly to the base through its centre of gravity , and terminated by the cutting plane . Let ABCD be the frustum of the right prism or ...
... frustum is found by multiplying the area of the base into the length of a line drawn perpendicularly to the base through its centre of gravity , and terminated by the cutting plane . Let ABCD be the frustum of the right prism or ...
Page 126
... frustum is formed by multi- D A T Q R P a S FIG . 84 . F B G B H T N R S E K M plying the area of A E B into the length of GQ . Suppose the plane of the paper to be perpendicular to the planes of the ends , and to cut them in ABBCD ; if ...
... frustum is formed by multi- D A T Q R P a S FIG . 84 . F B G B H T N R S E K M plying the area of A E B into the length of GQ . Suppose the plane of the paper to be perpendicular to the planes of the ends , and to cut them in ABBCD ; if ...
Common terms and phrases
ABCD angle of resistance angular angular velocity axis axle beam body brickwork cast iron centre of gravity circle circumference coefficient of friction Crown 8vo cubic foot curve cylinder described determine the number diameter direction distance draw Edition engine epicycloid equal equation equilibrium expended extrados forces acting formula friction frustum given hence horizontal horse-power inclined inclined plane last Example length limiting angle magnitude mass middle point minute modulus moment of inertia motion moving number of units oscillation P₁ parallel forces passing perpendicular plane pressure principle principle of moments Prop pulley R₁ radius raised reaction represent respectively rest resultant right angles rope round screw sliding space square inch steam suppose surface teeth thick thread tion triangle vertical vols wall weight wheel Woodcuts wrought iron
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