Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 страници |
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Страница xi
... Axis of Ro- tation - Centre of Percussion - Axis of Spontaneous Rotation- Ballistic Pendulum 291 306 APPENDIX . On Limits 321 TABLES . Table of Specific Gravity . Expansion produced by Heat 2 9 Tenacity Crushing Pressures 39 " " Moduli ...
... Axis of Ro- tation - Centre of Percussion - Axis of Spontaneous Rotation- Ballistic Pendulum 291 306 APPENDIX . On Limits 321 TABLES . Table of Specific Gravity . Expansion produced by Heat 2 9 Tenacity Crushing Pressures 39 " " Moduli ...
Страница 2
... axis of the cylinder passing through the centre of the sphere . Also , find the error that results from considering the part cut away a perfect cylinder . Ans . Weight of sphere , 1118.09 oz . 99 99 cylinder , 143.8 oz . part cut from ...
... axis of the cylinder passing through the centre of the sphere . Also , find the error that results from considering the part cut away a perfect cylinder . Ans . Weight of sphere , 1118.09 oz . 99 99 cylinder , 143.8 oz . part cut from ...
Страница 3
... axis of which the part within the stone is 2 in . square , and the projecting parts each 4 in . long with a section 2 in . in diameter . Ans . 1135 lbs . Ex . 17. - Determine the weight of an oak door 7 ft . high , 3 ft . wide , and 1 ...
... axis of which the part within the stone is 2 in . square , and the projecting parts each 4 in . long with a section 2 in . in diameter . Ans . 1135 lbs . Ex . 17. - Determine the weight of an oak door 7 ft . high , 3 ft . wide , and 1 ...
Страница 16
... axis . 2nd . If a pillar of the same length and diameter as the preceding has one end rounded and one flat , the strength will be twice as great as that of one with both ends rounded . 3rd . If , therefore , three pillars be taken ...
... axis . 2nd . If a pillar of the same length and diameter as the preceding has one end rounded and one flat , the strength will be twice as great as that of one with both ends rounded . 3rd . If , therefore , three pillars be taken ...
Страница 53
... axis : and as a uniform rod is merely a thin cylinder its centre of gravity will be at its middle point . Ex . 172. Two men , △ and в , carry a weight of 3 cwt . slung on a pole , the ends of which rest on their shoulders ; the ...
... axis : and as a uniform rod is merely a thin cylinder its centre of gravity will be at its middle point . Ex . 172. Two men , △ and в , carry a weight of 3 cwt . slung on a pole , the ends of which rest on their shoulders ; the ...
Често срещани думи и фрази
accelerative effect 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 given hence horizontal horse-power inclined inclined plane last Example length limiting angle line of resistance mass middle point minute moment of inertia motion moving number of feet number of units oscillation P₁ parallel forces perpendicular plane pressure principle of moments Prop pulley 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 virtual velocities vols wall weight wheel Woodcuts wrought iron
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