Question

Why do the pillars of a bridge have a broader base than the top

Answer 1

HEY MATE! HERE IS YOUR ANSWER

THE PILLARS OF A BRIDGE HAVE A BROADER BASE THAT TOP BECAUSE IN THE BASE THERE IS MORE PRESSURE ON PILLARS BY WATER THAN THAT OF TOP AS THE PRESSURE INCREASES IN DENSE WATER.

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Answer 2

Answer:

Pillars of a bridge have a broader base than the top because it reduce the pressure exerted on the ground by the enormous weight of the bridge.

Explanation:

as more the surface area less is pressure.