Physics WAEC / WASSCE 1988 Heat Energy & Temperature
Which of the following statement is not correct about loaded spiral spring?
A
The extension is proportional to the load applied, provided the elastic limite is not exceeded
B
If the elsatic limit is not exceeded, the contraction is proportional to the load removed.
C
Up to the yield limit, extension is no longer proportional to the applied load.
D
Beyond the elsatic limit, extension is no longer proportional to the applied load.
E
If the string regains its shape or form after deformation, it is said to be elastic.