Question

give reason the pillars of bridges and flyovers have a broad base
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Answer 1

Answer:

Pillars have a broad base so that it's force on the base is distributed in a large area and pressure applied at the foot of the pillar is less acc to the formula P=F/A hence area and pressure are inversely proportional and the bridge or flyover does not break.

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Answer 2

Answer:

Pillars of flyover and bridges has broad base to reduce the tension exerted by vehicles and its own mass. Pillars has generally has broad top also , that is all is for to shift all the tension to ground.

Explanation:

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