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English 10 Public

science

Study Slideshow

What is buoyancy?

Buoyancy is the upward supportive force on an object in a fluid.

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What is a Plimsoll line?

A Plimsoll line is a marking on a ship’s side showing whether a ship is floating high enough in water to withhold rough seas without getting swamped.

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What does WNA stand for on a Plimsoll line?

Winter North Atlantic

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Buoyancy is the force that presses downwards, true or false?

False

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What does buoyancy determine?

Buoyancy determines whether an object sinks or floats.

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Why does a boat float on water?

A boat is hollow and has large pockets of air and only ⅛ is actually steel and the rest is all air, which allows it to float.

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Gravity is the force that presses downwards, true or false?

True

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If I put 6000 lbs of steel in a lake it will (blank) , but if I put a 6000 lb steel boat into the water it will (blank).

sink & float

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What is more buoyant in water wood (balsa) or lead

wood (balsa)

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What is the main reason a ship floats at different levels depending on what type of water it is in?

The density of the water

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