Short Answer
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1.
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Who
is credited with discovering the law of buoyant force?
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2.
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State
the principles of Archimedes’ law.
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3.
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What
is the apparent weight of an object in water, and how is it computed?
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4.
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How
can a boat constructed from a material more dense than water float?
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5.
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What
is density, and how is it computed?
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6.
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Why
does a hot-air balloon tend to rise in the air, while one filled with cold air does
not?
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7.
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With
what equipment is a submarine fitted to allow it to submerge?
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8.
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Upon
what factors is a ship’s stability dependent?
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9.
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What
might happen if excessive weight is added high in a ship?
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10.
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What
will a ship sometimes do to lower its center of gravity in stormy seas?
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