An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Αποτελέσματα 1 - 5 από τα 51.
Σελίδα v
... rough 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 ...
... rough 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 ...
Σελίδα vi
... rough 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 ...
... rough 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 ...
Σελίδα 40
... rough Surfaces . If two bodies be in free contact at one point C , there is a mutual action between them , the direction of which passes through that point . Draw the common tangent plane at C. Then , ( i ) if the surfaces be smooth ...
... rough Surfaces . If two bodies be in free contact at one point C , there is a mutual action between them , the direction of which passes through that point . Draw the common tangent plane at C. Then , ( i ) if the surfaces be smooth ...
Σελίδα 41
... rough- ness of the surfaces is capable of exercising will not in every case be brought into action ; no more , in fact , will be exercised than is necessary to prevent a tangential sliding motion . II . The same principles apply in the ...
... rough- ness of the surfaces is capable of exercising will not in every case be brought into action ; no more , in fact , will be exercised than is necessary to prevent a tangential sliding motion . II . The same principles apply in the ...
Σελίδα 42
... of this result will be given hereafter , Art . ( 65 , 66 ) . ( ii ) If a string pass over a rough surface , the tension at successive points will not be the same . = If P , Q be the tensions at the 42 OF FORCES ACTING IN ONE PLANE .
... of this result will be given hereafter , Art . ( 65 , 66 ) . ( ii ) If a string pass over a rough surface , the tension at successive points will not be the same . = If P , Q be the tensions at the 42 OF FORCES ACTING IN ONE PLANE .
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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...