What effect will bank suction have on a...

Question 1 / 2707066636ee728f7522a1c517a3d

Question 1 of 2707066636ee728f7522a1c517a3d

What effect will bank suction have on a vessel?

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Question 1 of 27070

What effect will bank suction have on a vessel?

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🔍 Key Concepts

• Bank suction when a vessel is close to a canal or river bank • How water flow and pressure change between the hull and the bank • Difference between what happens at the bow versus the stern near a bank

💭 Think About

• Picture a ship moving ahead very close and parallel to a steep bank in shallow water—how does the water squeezed between the hull and the bank want to move? • Think about pressure: when water speeds up between the hull and bank, does pressure on that side of the hull increase or decrease? What will the hull do in response? • Does the stern or bow sit deeper and have more underwater area, and which end is more strongly affected by these low‑pressure forces near the bank?

✅ Before You Answer

• Be clear on which end of the ship (bow or stern) is more strongly drawn toward the bank by low pressure • Remember that the other end tends to sheer (swing) the opposite way from the end that is sucked in • Confirm you are thinking about a vessel moving ahead, parallel, and close to the bank in restricted waters, not turning or stopping

Question 1 of 27070

What effect will bank suction have on a vessel?

The bow swings away from the bank

The stern swings towards the bank

The stern swings away from the bank

The bow swings towards the bank

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