An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página v
... • Explanation of the action of friction , 52 , 53 ; laws of friction , 54 ; rolling friction , & c . 55 ; practical method of finding the coefficient of fric- tion , 57 . 54 CHAPTER IV . Of forces , the directions of which.
... • Explanation of the action of friction , 52 , 53 ; laws of friction , 54 ; rolling friction , & c . 55 ; practical method of finding the coefficient of fric- tion , 57 . 54 CHAPTER IV . Of forces , the directions of which.
Página 6
... tion in which it acts , and the position of the point where it is 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 ...
... tion in which it acts , and the position of the point where it is 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 ...
Página 7
... tion ; the force of attraction of a magnet may be measured by the weight it would support : —and so of all statical forces . The standard of weight in England is the pound Troy , consisting of 5760 grains ; and it is stated that a cubic ...
... tion ; the force of attraction of a magnet may be measured by the weight it would support : —and so of all statical forces . The standard of weight in England is the pound Troy , consisting of 5760 grains ; and it is stated that a cubic ...
Página 8
... tion would be assigned by assigning the angle at which it is inclined to a known fixed line Ox in the same plane with AB : its magnitude will be assigned by assigning the numerical value of P , the number N of units of length ; and the ...
... tion would be assigned by assigning the angle at which it is inclined to a known fixed line Ox in the same plane with AB : its magnitude will be assigned by assigning the numerical value of P , the number N of units of length ; and the ...
Página 14
... case that the direc- tion of the resultant bisects the angle between the direction of the two component forces P , Q : for there is no reason why the resultant should make with one of the component 14 OF FORCES ACTING IN ONE PLANE .
... case that the direc- tion of the resultant bisects the angle between the direction of the two component forces P , Q : for there is no reason why the resultant should make with one of the component 14 OF FORCES ACTING IN ONE PLANE .
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Términos y frases comunes
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
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Página 15 - If two forces acting at a point be represented in magnitude and direction by the...