The elements of the mechanics of materials and of power transmission (1911)
King, William Richard, 1852- · New York, J. Wiley & sons; [etc., etc.] · leaf 21
er of the square. Example IV. — A quarter of the area of a triangle is cut off by a line drawn parallel to the base. Find the center of gravity of the remaining quadrilateral. Let EF be parallel to the base BC,Fig. 13, and let the triangle AEF bethe part cut off. The required cen-ter of gravity… … Fig. 13. AG •AD = ^ 4, whence AG = 12 THE ELEMENTS OF MECHANICS OF MATERIALS Let X denote the distance of the required center of gravity ofthe quadrilateral BEFC from A. Then ^^2XAD_ AD^2 -_PP-Qq ^^—J— ^ 2 ^,_AD{S-i) P-Q 4-1 9 ==1ad. 9 4 - I That is, the required center of gravity is in the median…
Mechanics, Applied · Power transmission
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