Hand-books of Natural Philosophy and Astronomy, Volym 2Blanchard and Lea, 1854 |
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Hand-books of Natural Philosophy and Astronomy, Volym 2 Dionysius Lardner Obegränsad förhandsgranskning - 1854 |
Hand-books of Natural Philosophy and Astronomy, Volym 2 Dionysius Lardner Obegränsad förhandsgranskning - 1854 |
Hand-books of Natural Philosophy and Astronomy, Volym 2 Dionysius Lardner Obegränsad förhandsgranskning - 1854 |
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accelerated action already explained applied atmosphere augmented axis axle ball beam called centre of gravity centrifugal force CHAP column common compressed consequently cord cylinder descend determined diagonal diameter diminished distance effect elasticity equal equilibrium example exerted experiment expressed fluid force of gravity forces acting friction fulcrum glottis greater imparted inclined plane increased inertia length less lever liquid machine magnitude manner mass matter mechanical mercury metal momentum moving force moving power nodal lines oscillation ounces parallel parallelogram particles passing pendulum perpendicular piston placed plate point of support pores porosity position power and weight pressure principle produced proportion pulley quantity ratchet-wheel represented in fig resistance rest resultant rope screw side simple machines single force solid bodies solid of revolution space specific gravity strength strike string substances suppose surface suspended thread tion tube undulations uniform velocity vertical line vessel vibration waves wheel
Populära avsnitt
Sida 707 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Sida 36 - ... is attended with the same results as in our own species. Spallanzani observes, that certain animalcules devour others so voraciously, that they fatten and become indolent and sluggish by over-feeding. After a meal of this kind, if they be confined in distilled water, so as to be deprived of all food, their condition becomes reduced; they regain their spirit and activity, and amuse themselves in the pursuit of the more minute animals, which are supplied to them ; they swallow these without depriving...