2003q10.m17.092

2003q10.m17.092 - MEEG 2003 Quiz#10.m17.092 1 Dene(a work...

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MEEG 2003 Quiz #10.m17.092 1. De ne ( a ) work of a force on a body, ( b ) work of a moment on a body, ( c ) loca- tion of displacement center of a body. 2. A 20-ft ladder weighing 100 lb with its center of gravity at its midpoint G is kept from sliding by a 16-lb horizontal force P acting at its end B as shown. Neg- lecting friction forces at supports A and B , determine the distance x . --------------------------------------------------------------------------------------------------------------------------------------- 1. ( a ) Work of a force on a body is equal to the force on the body times the displacement of the body in the direction of the force. ( b ) Work of a moment on a body is equal to the moment on the body times the angular
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