A brass cube 2cm on each edge is held in the jaw of a wire with a force 1600N. By aw much is the cube compressed. (Y for brass is 9.1×10^10pa)
2 answers
I have difficulty getting the meaning "in the jaw of a wire with a force" on each edge.
Length =2cm=0.02m
Area of the brass cube =0.02*0.02=0.0004m2
F=1600N, Y=91000000000pa From Y=Fl/Ae,e=Fl/YA
e=1600*0.02/0.0004*91000000000
e=32/36400000
e=0.000000879m
Area of the brass cube =0.02*0.02=0.0004m2
F=1600N, Y=91000000000pa From Y=Fl/Ae,e=Fl/YA
e=1600*0.02/0.0004*91000000000
e=32/36400000
e=0.000000879m
2 answers