Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 528
oblem.—A given force of 34 lbs. acts along OG.Required its component parallel to LL, which makes 35°with OG. Reciangtdar component is understood. Select a convenient scale, say \ to 10 lbs., and markoff OG 34 units long. Direct it from O to G. Draw Off, GK parallel to LL, and OK, GLL perpen-dicular… … 405. Problem.—The rectangular components of a forceare 7 and 5 lbs. Find the force. Draw any two perpendicular lines, along which, to aconvenient scale, mark off from their intersection O, OAand OB to represent 7 and 5 lbs. Complete the rectangle contained by OA, OB, and drawthe diagonal OC. Then…