![classical mechanics - Validity of using Lagrange equations in an elastic pendulum - Physics Stack Exchange classical mechanics - Validity of using Lagrange equations in an elastic pendulum - Physics Stack Exchange](https://i.stack.imgur.com/iLLxe.png)
classical mechanics - Validity of using Lagrange equations in an elastic pendulum - Physics Stack Exchange
![Elastic pendulum in the position when its string makes the angle ϕ with... | Download Scientific Diagram Elastic pendulum in the position when its string makes the angle ϕ with... | Download Scientific Diagram](https://www.researchgate.net/publication/267429013/figure/fig1/AS:646799022895130@1531220312883/Elastic-pendulum-in-the-position-when-its-string-makes-the-angle-ph-with-the-vertical-Y.png)
Elastic pendulum in the position when its string makes the angle ϕ with... | Download Scientific Diagram
![Resonance study of spring pendulum based on asymptotic solutions with polynomial approximation in quadratic means | Meccanica Resonance study of spring pendulum based on asymptotic solutions with polynomial approximation in quadratic means | Meccanica](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs11012-020-01164-8/MediaObjects/11012_2020_1164_Fig3_HTML.png)
Resonance study of spring pendulum based on asymptotic solutions with polynomial approximation in quadratic means | Meccanica
![SOLVED: Problem 4 (20 points): Derive the equations of motion for spring pendulum system (Figure 2) using: Newton second law; and Euler-Lagrange equations Note: denotes the free length of the spring +r [ SOLVED: Problem 4 (20 points): Derive the equations of motion for spring pendulum system (Figure 2) using: Newton second law; and Euler-Lagrange equations Note: denotes the free length of the spring +r [](https://cdn.numerade.com/ask_images/21f6cdd97de64088ba3299b334e4b9a3.jpg)
SOLVED: Problem 4 (20 points): Derive the equations of motion for spring pendulum system (Figure 2) using: Newton second law; and Euler-Lagrange equations Note: denotes the free length of the spring +r [
![A spring, with spring constant k, is connected to a block of mass M, that slides without friction. A simple pendulum with length 1 and bob mass m is pivoted on the A spring, with spring constant k, is connected to a block of mass M, that slides without friction. A simple pendulum with length 1 and bob mass m is pivoted on the](https://homework.study.com/cimages/multimages/16/65777706434078656431192244.png)
A spring, with spring constant k, is connected to a block of mass M, that slides without friction. A simple pendulum with length 1 and bob mass m is pivoted on the
![Applied Sciences | Free Full-Text | Influence of the Motion of a Spring Pendulum on Energy-Harvesting Devices Applied Sciences | Free Full-Text | Influence of the Motion of a Spring Pendulum on Energy-Harvesting Devices](https://pub.mdpi-res.com/applsci/applsci-11-08658/article_deploy/html/images/applsci-11-08658-g001.png?1632038477)