Elementary MechanicsMacmillan, 1850 - 252 sider |
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Side 111
... couple before reversion ; let one of these meet AB or AB produced in K ; also let the forces P at B and Q at D meet ... couples are equal . Now the resultant of Q at C and P at K ' is a force P + Q parallel to each , acting at a point O ...
... couple before reversion ; let one of these meet AB or AB produced in K ; also let the forces P at B and Q at D meet ... couples are equal . Now the resultant of Q at C and P at K ' is a force P + Q parallel to each , acting at a point O ...
Side 112
... couples be equal . 68. If any number of couples are acting upon a system in the same plane , they may be replaced by one couple whose moment is equal to the sum of their moments . Let the moments of the given couples be P , a ,, Pa2 ...
... couples be equal . 68. If any number of couples are acting upon a system in the same plane , they may be replaced by one couple whose moment is equal to the sum of their moments . Let the moments of the given couples be P , a ,, Pa2 ...
Side 113
... couples in one plane , The couple whose moment is equal to the algebraical sum of the moments of the given couples is in every way equivalent to them . 69. From what has just been proved , the couple which is equivalent to two other equal ...
... couples in one plane , The couple whose moment is equal to the algebraical sum of the moments of the given couples is in every way equivalent to them . 69. From what has just been proved , the couple which is equivalent to two other equal ...
Side 114
... couple whose moment equal 1 , be taken to equal 1 , or be taken for the unit of couple in terms of which all others shall be mea- sured , we must have from above 1 = α , therefore on this supposition C = M , or a couple is always ...
... couple whose moment equal 1 , be taken to equal 1 , or be taken for the unit of couple in terms of which all others shall be mea- sured , we must have from above 1 = α , therefore on this supposition C = M , or a couple is always ...
Side 115
... the figure , the body will slide . If it be neither perpendicular nor yet pass through the figure , the body will begin to both slide and turn over . ? 72. When gravity is the only force acting upon I 2 —71 . ] 115 ON COUPLES , ETC.
... the figure , the body will slide . If it be neither perpendicular nor yet pass through the figure , the body will begin to both slide and turn over . ? 72. When gravity is the only force acting upon I 2 —71 . ] 115 ON COUPLES , ETC.
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accelerating force action of gravity angle annexed figure applied axis beam BERNARD DRAKE bisects body Cambridge centre of gravity centripetal force cloth coefficient of friction couple Crown 8vo curve cycloid cylinder diagonal distance Edition English Notes equal and opposite equation equi extremity F. D. MAURICE Fellow of St force of gravity forces acting friction ft² fulcrum given hence horizontal plane inclined plane indefinitely small interval John's College Law of Motion length lever M.A. Fellow meet middle point moving P₁ P₂ parabola parallelogram of forces pass perpendicular point of application position of equilibrium produced proportional pulley radius reaction represent respectively rest resultant sewed shew sides smooth space sphere Statics straight line string supposed surface T₁ tension Theological Manuals three forces Trinity College uniform unit virtual velocities W₁ W₂ wheel
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