Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 374
A weight of 100 lbs. is hung from theupper end of the bar. Determine thepressure on the floor, on A, and on B. 253-(i3). A frame for building andraising a concrete wall is sketched in Fig.124. The truss B is supy^orted on atrunnion D and by the telescoping pistonC of a pneumatic jack F. The… … Fig. 124 360 -b ^ fHCK a 0^ e ■H projections of C and D on IH are 13 ft. apart. The truss weighs 2 tons; its centerof gravity is i ft. below IH and 8 ft. to the right of D. The load (wall shown)weighs tons; its center of gravity is ins. above IH and ft. to right of D. When the truss is inclined to…
Mechanics
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