An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Αποτελέσματα 1 - 5 από τα 40.
Σελίδα 40
... tangent plane at C. Then , ( i ) if the surfaces be smooth , they can exercise no tangential action on each . other ; the mutual force between them must therefore in this case be in the common normal , and the pressure on each body will ...
... tangent plane at C. Then , ( i ) if the surfaces be smooth , they can exercise no tangential action on each . other ; the mutual force between them must therefore in this case be in the common normal , and the pressure on each body will ...
Σελίδα 42
... tangents pt , qt ' , and by the reaction of the surface R , which acts along the line OR bisecting the angle pOq , -since the arc pq is symmetrical with respect to OR , and the re- sultant pressure of the surface will therefore act ...
... tangents pt , qt ' , and by the reaction of the surface R , which acts along the line OR bisecting the angle pOq , -since the arc pq is symmetrical with respect to OR , and the re- sultant pressure of the surface will therefore act ...
Σελίδα 51
... tangent to the circle circumscribing the triangle ; ( iii ) this strain is proportional to the radius of the circle . ( i ) Since the mutual action at any one of the hinges will be equal in magnitude and opposite in direction upon the ...
... tangent to the circle circumscribing the triangle ; ( iii ) this strain is proportional to the radius of the circle . ( i ) Since the mutual action at any one of the hinges will be equal in magnitude and opposite in direction upon the ...
Σελίδα 52
... tangent to the circumscribing circle . Hence the second part of the proposition is proved . ( iii ) Since S at A , and S at B balance R , we have 2S sin y = R or 28 sin C = R , but if r be the radius of the circumscribing circle 2r sin ...
... tangent to the circumscribing circle . Hence the second part of the proposition is proved . ( iii ) Since S at A , and S at B balance R , we have 2S sin y = R or 28 sin C = R , but if r be the radius of the circumscribing circle 2r sin ...
Σελίδα 68
... tangent at p . Then we may regard the resultant of the normal pressure of the curve on the element pq of the string as equal to ( R + K ) . arc pq acting in some direction rV intermediate to Op , Oq , and making an a say with Op , and ...
... tangent at p . Then we may regard the resultant of the normal pressure of the curve on the element pq of the string as equal to ( R + K ) . arc pq acting in some direction rV intermediate to Op , Oq , and making an a say with Op , and ...
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...