By adjusting the length of the bridge will be three sizes 15 25 and 35 meters long section of the bridge to make it to the natural frequency of the bridge which resulted in a change .
The bridge length is 3 meters in size, is 15 to 25 and 35, where the length is changed to make the section of the bridge, it will be changed, which resulted in the natural frequency of bridge change. .
The Bridge will be adjust the length is 3, 15, 25, and 35 meters long, the change to section of the bridge was to be changed to the natural frequency of the bridge to replace a