In constructing a large mobile, an artist hangs an aluminum sphere of mass 5.5 from a vertical steel wire 0.46 long and 2.8×10-3 in cross-sectional area. On the bottom of the sphere he attaches a similar steel wire, from which he hangs a brass cube of mass 10.7
A) Compute the tensile strain for the top wire
B) Compute the tensile strain for the bottom wire.
C) Compute the elongation strain for the top wire
D) Compute the elongation strain for the bottom wire.