The securing systems for containers were...

The securing systems for containers were...

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Question 1 of 2066636ee728f7522a1c518862

The securing systems for containers were developed to prevent container movement during which ship motion?

Question 1 of 20

66636ee728f7522a1c518862

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The securing systems for containers were developed to prevent container movement during which ship motion?

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🔍 Key Concepts

• Six degrees of freedom in ship motion: roll, pitch, yaw (rotations) and surge, sway, heave (translations) • How containers are stacked and lashed on deck and in holds • Which motion causes the largest side-to-side angle change at the container stack

💭 Think About

• Think about how a container stack actually moves relative to the ship when the sea is on the beam versus ahead or astern. • Ask yourself: which motion would most stress the vertical and diagonal lashings between containers in a stack? • Consider which motion changes the angle of the stack most, rather than just sliding it forward/back or sideways.

✅ Before You Answer

• Identify whether the motion in each option is rotational or translational. • Match each motion to its axis: longitudinal (bow-stern), transverse (side-to-side), or vertical. • Decide which motion would most likely cause containers to tip or lean, requiring strong securing systems to prevent toppling.

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