A spring will return to its original length, size and shape after being bent, twisted, stretched or squeezed.
Different springs stretched differently.
There are many uses of springs.
1. When you squash a spring down with your hand, you feel ...
an upward push on your hand
a downward push on your hand
no push or pull at all
2. The more you squash or compress a spring down with your hand ...
the bigger the downward force on your hand
the smaller the upward force on your hand
the bigger the upward force on your hand