An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página v
... surfaces , 41 , 42 ; tension of strings , 43 ; conditions of equilibrium of three forces , 45 ; problems , 46-51 . CHAPTER III . Friction . • Explanation of the action of friction , 52 , 53 ; laws of friction , 54 ; rolling friction ...
... surfaces , 41 , 42 ; tension of strings , 43 ; conditions of equilibrium of three forces , 45 ; problems , 46-51 . CHAPTER III . Friction . • Explanation of the action of friction , 52 , 53 ; laws of friction , 54 ; rolling friction ...
Página vi
... surfaces Parallelopiped of forces , 60 ; resultant of any system of forces acting at a point , 62 ; conditions of equilibrium , 63 ; tension of a string passing over a smooth surface , 65 ; . . . over a rough surface , 66 ; the funi ...
... surfaces Parallelopiped of forces , 60 ; resultant of any system of forces acting at a point , 62 ; conditions of equilibrium , 63 ; tension of a string passing over a smooth surface , 65 ; . . . over a rough surface , 66 ; the funi ...
Página 2
... surface with which the observer compared them . The motion was ascribed to them whilst the earth was assumed to be fixed . A careful study of natural phenomena may modify this first impression , but we can never arrive at absolute ...
... surface with which the observer compared them . The motion was ascribed to them whilst the earth was assumed to be fixed . A careful study of natural phenomena may modify this first impression , but we can never arrive at absolute ...
Página 4
... surface is invariable . We may also here state , as a result of experiment , that the weight of a body is not altered by altering its figure . It depends solely upon the volume and material . Thus , for example , a cubic inch of iron ...
... surface is invariable . We may also here state , as a result of experiment , that the weight of a body is not altered by altering its figure . It depends solely upon the volume and material . Thus , for example , a cubic inch of iron ...
Página 5
... again . For the present , if necessary , the student may assume that the masses of bodies are proportional to their weights at the same place on the earth's surface . 8. Method of estimating and comparing forces . When a MASS . 5.
... again . For the present , if necessary , the student may assume that the masses of bodies are proportional to their weights at the same place on the earth's surface . 8. Method of estimating and comparing forces . When a MASS . 5.
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Términos y frases comunes
accelerating force angular points applied axis balance ball bisects body or system centre of gravity circle coefficient of friction conditions of equilibrium cos² curve cycloid cylinder determine diagonal distance elastic equal particles equation equi find the centre fixed point forces acting fulcrum funicular geometrical given heavy particles Hence horizontal plane impact inclined plane latus rectum length lever librium magnitude and direction mass middle point moving parabola parallel parallelogram parallelogram of forces parallelopiped Pcos perpendicular polygon position of equilibrium pressure pully pyramid radius represented resolved rest resultant right angles rough shew sides similar triangles sin² sliding smooth sphere straight line string passes student suppose surface system of forces system of particles tangent tension theorem three forces tion triangle uniform vertex vertical plane virtual velocity W's virtual weight
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Página 15 - If two forces acting at a point be represented in magnitude and direction by the...