A metal rod of original length 8.0 in., and cross-sectional area of 0.03 sq. in. is stretched to 8.4 in by a 1000 lb. force.
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compressive force in piston rod d ... the bar and the percent decrease in its cross -sectional area. 22 ... is 0.25 in. and the tensile force P in the bolt is 1000 lb
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