Question 8

Deep in the hold of a ship is mounted a massive wheel spinning about a horizontal axis directed along the length of the ship. Which motions of the ship are inhibited by this "stabilizer"?

• a.    motion about a horizontal axis parallel to ship's axis (rocking from side to side)
• b.    motion about a horizontal axis perpendicular to ship's axis (rise and fall of bow and stern)
• c.    motion about a vertical axis perpendicular to ship's axis (steering maneuver)

• A.   a only
• B.   b only
• C.   c only
• D.   a and b
• E.   a and c
• F.   b and c
• G.   a, b and c

Formula Sheet

Question 7

Question 9

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