An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página vii
... connected by a string over a pully or on an inclined plane , 75-77 ; motion up and down an inclined plane , 78 , 79 ; lines of quickest descent , 80 ; Atwood's machine , 82 . 181 202 CHAPTER IV . Of the motion of projectiles · Path ...
... connected by a string over a pully or on an inclined plane , 75-77 ; motion up and down an inclined plane , 78 , 79 ; lines of quickest descent , 80 ; Atwood's machine , 82 . 181 202 CHAPTER IV . Of the motion of projectiles · Path ...
Página 3
... connected particles , the forces will modify each other's effects : if they are so related that no motion of the particle or system takes place , the forces are said to be in equilibrium . That part of Mechanics which treats of the ...
... connected particles , the forces will modify each other's effects : if they are so related that no motion of the particle or system takes place , the forces are said to be in equilibrium . That part of Mechanics which treats of the ...
Página 10
... connection between C and B need not be essentially rigid ; but the two points may be otherwise connected , as for instance , by a fine inextensible thread ; when however ( as in the lower figure ) the force tends to thrust B towards C ...
... connection between C and B need not be essentially rigid ; but the two points may be otherwise connected , as for instance , by a fine inextensible thread ; when however ( as in the lower figure ) the force tends to thrust B towards C ...
Página 13
... connection . 16. We now proceed to deduce the rules for the com- position of forces , that is , to find the resultant of two or more forces acting simultaneously ; and it will then be easy to ascertain the conditions of equilibrium of a ...
... connection . 16. We now proceed to deduce the rules for the com- position of forces , that is , to find the resultant of two or more forces acting simultaneously ; and it will then be easy to ascertain the conditions of equilibrium of a ...
Página 16
... connected with A , let R act at C , and let CE repre- sent R. Complete the parallelograms BC , DE . Then since by the hypothesis ( a ) the resultant T of P , Q acts along AD , let them be replaced by their resultant , and let this ...
... connected with A , let R act at C , and let CE repre- sent R. Complete the parallelograms BC , DE . Then since by the hypothesis ( a ) the resultant T of P , Q acts along AD , let them be replaced by their resultant , and let this ...
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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...