RUBBER, SPRING AND HOOKE'S LAW

The size and shape of object can be changed by forces. Force can stretch, squash, bend or twist object. Some objects will deform and back to its original shape when forces are removed usch as rubber and spring. Object like rubber and spring as call as elastic object. An elastic object is useful in our daily life, for example in sport activities, see picture below.

Source : shopee.co.id

A rubber band usually use by the people for helping them in sport activities.

Bungee jumpers rely on the springiness of the rubber rope, which breaks their fall when they jump from height. If the rope became permanently stretched, they would stop suddenly at the bottom of their fall rather than bouncing up and down gradually coming to a halt

Springs also usually use inside the springbed / mattresses.