An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página vii
... described under a uniform force , 67 , 68 ; geometrical illustration , 69 , 71 ; formula , 73 ; motion of two bodies connected by a string over a pully or on an inclined plane , 75-77 ; motion up and down an inclined plane , 78 , 79 ...
... described under a uniform force , 67 , 68 ; geometrical illustration , 69 , 71 ; formula , 73 ; motion of two bodies connected by a string over a pully or on an inclined plane , 75-77 ; motion up and down an inclined plane , 78 , 79 ...
Página 135
... described by A , we may write the condition ( i ) in the form P W 2πc tan a distance between two threads = 2πα circumference of circle , radius CA ' II . If the screw be rough . In this case supposing W distributed , as in case I. , the ...
... described by A , we may write the condition ( i ) in the form P W 2πc tan a distance between two threads = 2πα circumference of circle , radius CA ' II . If the screw be rough . In this case supposing W distributed , as in case I. , the ...
Página 143
... described ( Art . 104 ) . If the pully A , to which W is fixed be raised through a space s , the next pully A , will be raised through 2s ; the next A , through 2.2s , i . e . 2's , and so on- so that if n be the number of moveable ...
... described ( Art . 104 ) . If the pully A , to which W is fixed be raised through a space s , the next pully A , will be raised through 2s ; the next A , through 2.2s , i . e . 2's , and so on- so that if n be the number of moveable ...
Página 144
... described in ( Art . 105 ) . If the weight be raised through a space s , each of the strings at the lower block will be shortened by a length s , and consequently P will have to move through ns in order that the string may become tight ...
... described in ( Art . 105 ) . If the weight be raised through a space s , each of the strings at the lower block will be shortened by a length s , and consequently P will have to move through ns in order that the string may become tight ...
Página 145
... described by P W's virtual velocity distance between two threads = = W P .. P. P's virtual velocity W. W's virtual velocity . = 127. Case IX . The inclined plane supposed smooth . Let the weight be displaced along the plane through a ...
... described by P W's virtual velocity distance between two threads = = W P .. P. P's virtual velocity W. W's virtual velocity . = 127. Case IX . The inclined plane supposed smooth . Let the weight be displaced along the plane through a ...
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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...