An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Αποτελέσματα 1 - 5 από τα 60.
Σελίδα 51
... 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 two rods which meet at that hinge - the strains of the hinges may be left out of considera- tion ...
... 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 two rods which meet at that hinge - the strains of the hinges may be left out of considera- tion ...
Σελίδα 52
... radius of the circumscribing circle 2r sin C = c ; S R r = . ' . Р Q b - α - Hence the strain at any hinge bears to any of the forces P , Q , R the same ratio which the radius of the circumscribing circle bears to the side to which the ...
... radius of the circumscribing circle 2r sin C = c ; S R r = . ' . Р Q b - α - Hence the strain at any hinge bears to any of the forces P , Q , R the same ratio which the radius of the circumscribing circle bears to the side to which the ...
Σελίδα 67
... radius of curvature at p , P pq = p in the limit 0 . > arc pq sin a + sin B = pq a + B = p , in the limit , in which case κ vanishes ; whence t = Rp ..... ...... ( v ) , a relation which gives the pressure on the curve at any point in ...
... radius of curvature at p , P pq = p in the limit 0 . > arc pq sin a + sin B = pq a + B = p , in the limit , in which case κ vanishes ; whence t = Rp ..... ...... ( v ) , a relation which gives the pressure on the curve at any point in ...
Σελίδα 70
... radius of curvature at p , we shall obtain from equa- tion ( ii ) the result t = Rp ...... ...... ( iv ) , Obs . The results of Arts . ( 65 , 66 ) are true whether the string be elastic or inelastic - if it be elastic , we may remark ...
... radius of curvature at p , we shall obtain from equa- tion ( ii ) the result t = Rp ...... ...... ( iv ) , Obs . The results of Arts . ( 65 , 66 ) are true whether the string be elastic or inelastic - if it be elastic , we may remark ...
Σελίδα 73
... radius of the earth , we may consider these directions to be appreciably parallel , and the resultant attraction on the body or system equal to the sum of the attractions on the constituent particles ; i.e. the weight of the whole equal ...
... radius of the earth , we may consider these directions to be appreciably parallel , and the resultant attraction on the body or system equal to the sum of the attractions on the constituent particles ; i.e. the weight of the whole equal ...
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...