An elementary treatise on MechanicsMacmillan, 1863 - 374 páginas |
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Página 7
... drawn in the direction of the force AP , from the point of application A , and also represents the force in magnitude : the convention in this respect being understood to be that the line contains as many units of length as the force ...
... drawn in the direction of the force AP , from the point of application A , and also represents the force in magnitude : the convention in this respect being understood to be that the line contains as many units of length as the force ...
Página 10
... draw C towards B , the 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 ...
... draw C towards B , the 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 ...
Página 15
... drawn from that point , and if a parallelogram be constructed having these two lines for adjacent sides , then that diagonal of the parallelogram which passes through the point of application of the forces will represent their resultant ...
... drawn from that point , and if a parallelogram be constructed having these two lines for adjacent sides , then that diagonal of the parallelogram which passes through the point of application of the forces will represent their resultant ...
Página 23
... draw a straight line AB to represent one of the forces in magnitude and direction ; from the ex- tremity B draw BC to represent the next force ; from C draw CD to represent the third force , and so on ; and let E be the extremity of the ...
... draw a straight line AB to represent one of the forces in magnitude and direction ; from the ex- tremity B draw BC to represent the next force ; from C draw CD to represent the third force , and so on ; and let E be the extremity of the ...
Página 25
... draw two lines Ax , Ay at right angles to each other in the plane of the forces , and let the directions of P , P ' , ... make an- gles a , a , ... with Ax . Then since P , P ' , ... are equiva- lent to Pcos a in direction of Ax , and ...
... draw two lines Ax , Ay at right angles to each other in the plane of the forces , and let the directions of P , P ' , ... make an- gles a , a , ... with Ax . Then since P , P ' , ... are equiva- lent to Pcos a in direction of Ax , and ...
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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...