Elementary MechanicsMacmillan, 1850 - 252 sider |
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Side 84
... fulcrum . The power and weight are applied at two other points of the rod . The relative positions of these points with respect to the fulcrum suggest the division of levers in three classes as follows : Suppose C to be the fulcrum , A ...
... fulcrum . The power and weight are applied at two other points of the rod . The relative positions of these points with respect to the fulcrum suggest the division of levers in three classes as follows : Suppose C to be the fulcrum , A ...
Side 85
... fulcrum . Nut - crackers are double levers of the same kind . Fig . ( 3 ) . B A Fig . ( 3 ) represents a lever of the third kind , where the fulcrum is again at one end of the rod , but the power is in the middle , and the weight at the ...
... fulcrum . Nut - crackers are double levers of the same kind . Fig . ( 3 ) . B A Fig . ( 3 ) represents a lever of the third kind , where the fulcrum is again at one end of the rod , but the power is in the middle , and the weight at the ...
Side 86
... fulcrum upon their directions . As the reaction of the fulcrum , or its equivalent , the pressure upon the fulcrum , is equal to the resultant of the power and weight , it follows that when the power and weight are parallel , and act in ...
... fulcrum upon their directions . As the reaction of the fulcrum , or its equivalent , the pressure upon the fulcrum , is equal to the resultant of the power and weight , it follows that when the power and weight are parallel , and act in ...
Side 87
... fulcrum the axis of the machine ; hence , for equilibrium , the moments of these forces about the fulcrum must be equal ; or if R be radius of the wheel , r of the axle , we must have Р r W R = • The common apparatus for raising a ...
... fulcrum the axis of the machine ; hence , for equilibrium , the moments of these forces about the fulcrum must be equal ; or if R be radius of the wheel , r of the axle , we must have Р r W R = • The common apparatus for raising a ...
Side 98
... fulcrum the axis of the cylinder : hence the sums of the moments of these p's must equal that of P about the axis of the screw . These two considerations give us w + w1 + W2 • ... + w2 = W , pr + p1r + ... P + P1 + • .. . + Pr = Pa , + ...
... fulcrum the axis of the cylinder : hence the sums of the moments of these p's must equal that of P about the axis of the screw . These two considerations give us w + w1 + W2 • ... + w2 = W , pr + p1r + ... P + P1 + • .. . + Pr = Pa , + ...
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accelerating force action of gravity angle annexed figure applied axis beam bisects body Cambridge centre of gravity centripetal force circle 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 Greek Text hence horizontal plane inclined plane indefinitely small interval John's College late Fellow Law of Motion length lever M.A. Fellow meet middle point moving P₁ 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 tension Theological Manuals three forces Trinity College uniform unit virtual velocities W₁ W₂ wheel
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