PULLING SPRING

A typical spring is a tightly wound coil let it go or spiral of metal that stretches when you pull it (apply a force) and goes back to its original shape when you again (remove the force). In other words is made, it can work in the opposite way too: if you squeeze it, it compresses but returns to its original length when the pushing force is removed. We have good q, a spring is elastic. I don’t mean it’s made from rubber I mean that it has elasticity: it gets longer when stress is applied but (providing you don’t stretch it too much) returns exactly to its original length when that stress is removed. Depending on how a spring uality springs