An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 48.
Σελίδα vi
... mean position , centre of figure , 75 ; general remarks , 77 , 78 ; centre of gravity of a pyramid , 79 ; stable and unstable equilibrium , 80-84 ; centre of gravity of a circular arc , sector and segment , 85 , 86 ; Leibnitz's Theorem ...
... mean position , centre of figure , 75 ; general remarks , 77 , 78 ; centre of gravity of a pyramid , 79 ; stable and unstable equilibrium , 80-84 ; centre of gravity of a circular arc , sector and segment , 85 , 86 ; Leibnitz's Theorem ...
Σελίδα 3
... means of a string , or pushed by a rod , the force exerted by the string or rod is called tension ; again , experience teaches us that if a body be let free from the hand it will fall to the sur- face of the earth in a certain definite ...
... means of a string , or pushed by a rod , the force exerted by the string or rod is called tension ; again , experience teaches us that if a body be let free from the hand it will fall to the sur- face of the earth in a certain definite ...
Σελίδα 4
... means of determining , à priori , whether the attraction of the earth remains the same : but if we can ascer- tain that the mechanical effect of the weight of the body is unvarying ( for instance , if it deflect a spring through the ...
... means of determining , à priori , whether the attraction of the earth remains the same : but if we can ascer- tain that the mechanical effect of the weight of the body is unvarying ( for instance , if it deflect a spring through the ...
Σελίδα 5
... means of measuring mass are derived from dynamical considerations , and we shall have occasion hereafter ( in Dynamics ) to consider this subject again . For the present , if necessary , the student may assume that the masses of bodies ...
... means of measuring mass are derived from dynamical considerations , and we shall have occasion hereafter ( in Dynamics ) to consider this subject again . For the present , if necessary , the student may assume that the masses of bodies ...
Σελίδα 7
... means of estimating all statical forces . The tension of a string may be measured by the weight ( the number of pounds if we please ) which it will sustain ; the force exerted by a string under constraint may be measured by the weight ...
... means of estimating all statical forces . The tension of a string may be measured by the weight ( the number of pounds if we please ) which it will sustain ; the force exerted by a string under constraint may be measured by the weight ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 15 - If two forces acting at a point be represented in magnitude and direction by the...