A load is hung from a steel wire. The load is increased and the length of the wire increases until the limit of proportionality is reached. The load is now increased slightly. What happens?
The extension of the wire increases and the wire no longer obeys Hooke’s law.
The extension of the wire decreases and the wire no longer obeys Hooke’s law.
The extension of the wire increases and it obeys Hooke’s law.
The extension of the wire decreases and it obeys Hooke’s law.
