Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 страници |
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Страница ix
... Centre of Gravity - Geometrical Applications 110 CHAPTER VI . Limiting Angle of Resistance - Laws of Friction - Inclined Plane- Wedge - Screw - Friction on a Pivot - Endless Screw 129 1 CHAPTER VII . Equilibrium of Body resting on an Axle.
... Centre of Gravity - Geometrical Applications 110 CHAPTER VI . Limiting Angle of Resistance - Laws of Friction - Inclined Plane- Wedge - Screw - Friction on a Pivot - Endless Screw 129 1 CHAPTER VII . Equilibrium of Body resting on an Axle.
Страница 130
... Limiting angle of Resistance . The question now arises - Under what circumstances is the plane capable of supplying the reaction necessary to produce equilibrium ? There will be equilibrium if the plane do not break , if the body do not ...
... Limiting angle of Resistance . The question now arises - Under what circumstances is the plane capable of supplying the reaction necessary to produce equilibrium ? There will be equilibrium if the plane do not break , if the body do not ...
Страница 131
... limiting angle of resist- ance in the case of cast iron upon wrought . It further appears from experiment , that in the case of any two surfaces whatever , there is a limiting angle of resistance proper to those surfaces , and depending ...
... limiting angle of resist- ance in the case of cast iron upon wrought . It further appears from experiment , that in the case of any two surfaces whatever , there is a limiting angle of resistance proper to those surfaces , and depending ...
Страница 132
... limiting angle of resistance the body will still be in equilibrium , but will now be in the state bordering on motion , for if the angle between the resultant and normal be increased by ever so small an amount , the reaction can no ...
... limiting angle of resistance the body will still be in equilibrium , but will now be in the state bordering on motion , for if the angle between the resultant and normal be increased by ever so small an amount , the reaction can no ...
Страница 133
... limiting angle of resistance , the body will topple before it slides , since R's direction will fall without the base before its direction makes with the perpendicular an angle greater than the limiting angle of resistance ; if ...
... limiting angle of resistance , the body will topple before it slides , since R's direction will fall without the base before its direction makes with the perpendicular an angle greater than the limiting angle of resistance ; if ...
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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