Constant force springs are a variety of extension springs. A strip of steel with a preset curvature is coiled tightly so that each turn of the strip rests on its inner neighbor. The spring is actuated ...

I blame Destin and his interesting sling shot video. Watch it. In this video, he claims that rubber bands do not act like springs. By "acting like springs" of course he means Hooke's law. This ...

Constant Force Springs from Lee Spring offer an excellent mechanism for applications where a constant load is required. Some of the many applications of constant force springs are in counterbalances, ...

pptx, 7.63 MB pdf, 612.52 KB pdf, 551.46 KB pdf, 450.58 KB This resources contains a comprehensive introduction to spring constant and its calculation using F=k e. The resources have activities for ...