Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
No interior do livro
Resultados 1-5 de 35
Página vi
... Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , . The three orders of lever , Passive organs of locomotion . Bones , Joints , 18 · 19 · 21 23 • Ligaments . Effects of atmospheric ...
... Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , . The three orders of lever , Passive organs of locomotion . Bones , Joints , 18 · 19 · 21 23 • Ligaments . Effects of atmospheric ...
Página 7
... resistance , and effect the maximum of displacement ; the water being intermediate both as regards the degree of resistance offered and the amount of displacement produced . The speed of an animal is determined by its shape , mass ...
... resistance , and effect the maximum of displacement ; the water being intermediate both as regards the degree of resistance offered and the amount of displacement produced . The speed of an animal is determined by its shape , mass ...
Página 8
... resistance offered to forward motion . A land animal is supported by the earth , and experiences little resistance from the air through which it moves , unless the speed attained is high . Its principal friction is that occasioned by ...
... resistance offered to forward motion . A land animal is supported by the earth , and experiences little resistance from the air through which it moves , unless the speed attained is high . Its principal friction is that occasioned by ...
Página 13
... resistance experienced to forward motion , and the part performed by the mass of the animal , when moving and acting upon its travel- ling surfaces . It is erroneous to suppose that a bird is stronger , weight for weight , than a fish ...
... resistance experienced to forward motion , and the part performed by the mass of the animal , when moving and acting upon its travel- ling surfaces . It is erroneous to suppose that a bird is stronger , weight for weight , than a fish ...
Página 17
... resistance of solids , semi - solids , fluids , etc. As the laws which regulate the locomotion of animals are essentially those which regulate the motion of bodies in general , it will be necessary to consider briefly at this stage the ...
... resistance of solids , semi - solids , fluids , etc. As the laws which regulate the locomotion of animals are essentially those which regulate the motion of bodies in general , it will be necessary to consider briefly at this stage the ...
Outras edições - Ver tudo
Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1882 |
Animal Locomotion, Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Visualização integral - 1874 |
Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1893 |
Palavras e frases frequentes
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave convex depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide horizontal direction humerus inclined planes increased insect insect wing joint kite less levers limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends