Physics, asked by mandalshikha66, 11 months ago

Bridges are mounted on rollers .why?​

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Answered by reshma986
4

Answer:

PLEASE MARK AS THE BRAINLIEST

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Answered by altruist
5

Answer:

iron bridges are mounted on steel rollersbecause it expands on heating and contract on cooling so living in space between for the contraction and expansion Thus the bridge is saved from collapse

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