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 578
First determine the resultant r ofthe forces S and Q. Draw a line DEperpendicular to the forces r and P.As r + P = 9, divide DE into nineequal parts, and at a distance of four of these divisions from E, ^ draw Pt parallel to the forces rand P, and equal to their sum (9).This is the resultant… … FiR. 344. Draw « square ABCD with ^ sides.Let a force, P = 3 lbs., act fromA to B ; Q = 5 lbs., act from Bto Q; S = 2 lbs., act from 1) toC ; and a force, T = 4 lbs., act 558 SOLID GEOMETRY chap. from D to A. Determine the resultant of the forces. Unit-y = 1 Ik Fig. 344. First determine the…
Geometrical drawing
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