Question

why soldiers don't march - past on the bridge? explain it.​

Answer 1

Answer:

this is your answer hope I help you

Answer 2

Marching soldiers are cautioned to break stride on a bridge, lest they match the bridge's frequency of vibration. ... A force that's applied to an object at the same frequency as the object's natural frequency will amplify the vibration of the object in an occurrence called mechanical resonance.