An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Σελίδα vi
... 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 , 134 . .106 DYNAMICS . CHAPTER I. Introduction Def . and measure of vi CONTENTS .
... 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 , 134 . .106 DYNAMICS . CHAPTER I. Introduction Def . and measure of vi CONTENTS .
Σελίδα vii
Stephen Parkinson. DYNAMICS . CHAPTER I. Introduction Def . and measure of velocity , Art . 2 ; formula for uniform motion , 4 ; measure of acceleration , 5 , 6 ; mass , 8—11 ; momentum , 12 ; mov- ing force , 15 ; impulsive force , 17 ...
Stephen Parkinson. DYNAMICS . CHAPTER I. Introduction Def . and measure of velocity , Art . 2 ; formula for uniform motion , 4 ; measure of acceleration , 5 , 6 ; mass , 8—11 ; momentum , 12 ; mov- ing force , 15 ; impulsive force , 17 ...
Σελίδα 5
... measuring or comparing different masses . Our only means of measuring mass are derived from dynamical considerations , and we shall have occasion hereafter ( in Dynamics ) to consider this subject again . For the present , if necessary ...
... measuring or comparing different masses . Our only means of measuring mass are derived from dynamical considerations , and we shall have occasion hereafter ( in Dynamics ) to consider this subject again . For the present , if necessary ...
Σελίδα 6
... measure forces we have only to adopt the same method as when we measure or compare any homogeneous quantities : i.e. we must take some known force as unit and then express in numbers the relation which the other forces bear to this unit ...
... measure forces we have only to adopt the same method as when we measure or compare any homogeneous quantities : i.e. we must take some known force as unit and then express in numbers the relation which the other forces bear to this unit ...
Σελίδα 7
... measured by the weight ( the number of pounds if we please ) which it will sustain ; the force exerted by a string under constraint may be measured by the weight which will just hold it in its constrained posi- tion ; the force of ...
... measured by the weight ( the number of pounds if we please ) which it will sustain ; the force exerted by a string under constraint may be measured by the weight which will just hold it in its constrained posi- tion ; the force of ...
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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...