Copper has a breaking stress of 3 x 10^8 N/m2.
(a) What is the maximum load that can be hung from a copper wire of diameter of 0.42 mm before it breaks?
(b) If half this maximum load is hung from the wire, by what percentage of its length will it stretch?
Please see the attachment.
The stress is defined as the force per unit area, F/A. The ...
The problem is solved giving all necessary mathematical steps. Solution as MS Word attachment.