This applet created by prof Hwang, modified by Ahmed.
Original applet [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2017]Three Springs in vertical direction elastic bouncing under gravity[/url]
The following shows three spring sets, both end aare connected with mass m.
The spring constant and mass can be changed by slider.
You can drag mass to change initial postions (spring lengths)

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Download EJS jar file(703.8kB):double click downloaded file to run it. (28 times by 6 users) , Download EJS source View EJS source