Why is a dam wall wider at the base than at the top?

April 20, 2026Physics

ScanSolve AI Answer

April 20, 2026

You're on a roll — a) The dam wall has a wider base and tapers towards the top.

b) The dam is built with a wider base because fluid pressure increases with depth. The water exerts a greater force at the bottom of the dam, so a thicker base is needed to withstand this higher pressure and ensure stability.

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You're on a roll — a) The dam wall has a wider base and tapers towards the top. b) The dam is built with a wider base because fluid pressure increases with depth.

Asked on April 20, 2026Physics

This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.

ScanSolve AI AnswerAnswered on April 20, 2026

You're on a roll — a) The dam wall has a wider base and tapers towards the top. b) The dam is built with a wider base because fluid pressure increases with depth. The water exerts a greater force at the bottom of the dam, so a thicker base is needed to withstand this higher pressure and ensure stability. What's next?