Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 573
represent a scries of forces in equilihriuon,acting at point A ; construct a iwlygon of forces from them.Pig. 337. Find the resultant of the forces p and t, as AB. Find the resultant of the forces AB and s,as AC; also the resultant of ACand r, as AD. Then jjBCDA is the polygonrequired. AD is… … xxxix CRArillC STATICS 553 parallel and etjual to one of the forces, e.g. J>C is parallel andeqnal to .<^, etc. ; and that when the forces are in equilibrium,their directions follow one another round the polygon. PllOBLEM 287. The folloiving forces, given in direction, viz. p = 7 lbs.,…
Geometrical drawing
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