When a MODU is afloat in equilibrium, the...

Question 1 / 2066636ee728f7522a1c5182e5

Question 1 of 2066636ee728f7522a1c5182e5

When a MODU is afloat in equilibrium, the horizontal component of mooring line tensions should equal __________.

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Question 1 of 20

66636ee728f7522a1c5182e5

When a MODU is afloat in equilibrium, the horizontal component of mooring line tensions should equal __________.

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🔍 Key Concepts

• Static equilibrium of a floating body (sum of forces in each direction) • Difference between vertical forces (weight vs buoyancy) and horizontal forces • Role of mooring lines on a Mobile Offshore Drilling Unit (MODU)

💭 Think About

• Ask yourself: In calm, steady conditions, what is trying to push or pull the MODU sideways or off location? • Which of the listed forces primarily act vertically, and which can act horizontally on the MODU? • If the MODU is not drifting, what must the total horizontal pull of the mooring lines balance?

✅ Before You Answer

• Identify which choices are mainly vertical forces acting up or down on the MODU. • Identify which choice represents the overall sideways-loading (wind, waves, current) on the unit. • Confirm that, in equilibrium, the sum of horizontal forces must be zero.

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Question 1 of 20

When a MODU is afloat in equilibrium, the horizontal component of mooring line tensions should equal __________.

weight forces

drilling forces

environmental forces

buoyancy forces

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