An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Σελίδα vi
... applied to the several mechanical powers , 119-128 ; mechanical advantage and efficiency , 129 ; labour- ing force , what is gained in power is lost in velocity , horse - power , 131 , 132 ; differential axle , 133 ; Hunter's Screw ...
... applied to the several mechanical powers , 119-128 ; mechanical advantage and efficiency , 129 ; labour- ing force , what is gained in power is lost in velocity , horse - power , 131 , 132 ; differential axle , 133 ; Hunter's Screw ...
Σελίδα 3
... ( applied to matter ) is called Statics : the other part which treats of the conditions of motion is called Dynamics . The two combined constitute the whole subject . 4. Forces are brought into action by various causes , and different ...
... ( applied to matter ) is called Statics : the other part which treats of the conditions of motion is called Dynamics . The two combined constitute the whole subject . 4. Forces are brought into action by various causes , and different ...
Σελίδα 5
... applied to them . A cubic inch of wood and a cubic inch of lead require different efforts to support them in the hand . Equal weights of different sub- stances occupy different volumes . We are thus led to con- sider a quality of matter ...
... applied to them . A cubic inch of wood and a cubic inch of lead require different efforts to support them in the hand . Equal weights of different sub- stances occupy different volumes . We are thus led to con- sider a quality of matter ...
Σελίδα 6
... applied , in other words , its point of application . These three things may be called the elements of the force : and when the two latter are assigned , i.e. the point of application and the direction , the line of action becomes ...
... applied , in other words , its point of application . These three things may be called the elements of the force : and when the two latter are assigned , i.e. the point of application and the direction , the line of action becomes ...
Σελίδα 9
... applied : in other words the effect of Q is the same at whatever point of the rod B , C , ... it be applied , the direction remaining the same . These considerations lead us to the following principle , called the principle of the ...
... applied : in other words the effect of Q is the same at whatever point of the rod B , C , ... it be applied , the direction remaining the same . These considerations lead us to the following principle , called the principle of the ...
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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...