Question

A 6.0 kg mass is hung by a vertical steel wire 0.580 m long and 6.00×10−3 cm2 in cross-sectional area. Hanging from the bottom of this mass is a similar steel wire, from which in turn hangs a 10.8 kg mass.

1. For the lower wire, compute the tensile strain.

2. For the upper wire, compute the tensile strain.

3.  For the lower wire, compute the elongation.

4. For the upper wire, compute the elongation.

Answer 1