This video goes over several different problems for Hooke's law and how to calculate the spring constant. Hooke's states that the force needed to extend or compress a spring by some distance is directly proportional to that distance. The force and the extension are directly proportional to each other. In other words, the greater the force the greater the extension.
The law is named after 17th-century British physicist Robert Hooke. He first stated the law in 1676. The spring constant (k) describes the stiffness of a spring. Every spring has its own value for the spring constant. The higher the spring constant the greater the force is needed to stretch the spring. The SI unit for the spring constant is Newton per meter (N/m).
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Chapters
00:00 Hooke's Law, Example Problems
00:40 Review Hooke's Law
02:00 Example No. 1
03:20 Example No. 2
07:25 Example No. 3