The default state is spring rest at it original length, you can drag to change the length of the spring with mouse. Click show V or F to displace velocity,force vector.

The kinetic energy and potential curve are also displaced as function of time.
Mass m , spring constant k  and original length L can be changed with sliders.

/htdocs/ntnujava/ejsuser/2/users/ntnu/fkh/hspring_pkg/hspring.propertiesFull screen applet or Problem viewing java?Add to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(1029.7kB):double click downloaded file to run it. (7 times by 6 users) , Download EJS source View EJS source