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A5.3 - Archimedes’ Principle and Floating

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✅EvaluateQuestion 1 of 21

The upward force acting on a body in a liquid is called

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✅EvaluateQuestion 2 of 21

Archimedes’ principle states that the upthrust on a body is equal to the

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✅EvaluateQuestion 3 of 21

Which instrument is used to measure the weight of an object in air?

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✅EvaluateQuestion 4 of 21

An object floats when

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✅EvaluateQuestion 5 of 21

Which object is most likely to float in water?

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✅EvaluateQuestion 6 of 21

When an object is fully immersed, the volume of liquid displaced is equal to the

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✅EvaluateQuestion 7 of 21

A body sinks in a liquid when

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✅EvaluateQuestion 8 of 21

A metal block weighs 5.0 N in air and 3.5 N in water. What is the upthrust?

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✅EvaluateQuestion 9 of 21

The loss of weight of a body in water is equal to the

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✅EvaluateQuestion 10 of 21

Why does an object appear lighter when immersed in water?

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✅EvaluateQuestion 11 of 21

A wooden block floats partially submerged because

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✅EvaluateQuestion 12 of 21

Which change will increase the upthrust on an object?

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✅EvaluateQuestion 13 of 21

A fisherman loads more fish into his boat. What must happen for the boat to continue floating?

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✅EvaluateQuestion 14 of 21

Which quantity is directly compared to upthrust to decide if an object floats?

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✅EvaluateQuestion 15 of 21

A body weighs 12 N in air and 9 N when fully immersed in water. What is the weight of water displaced?

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✅EvaluateQuestion 16 of 21

An object sinks in oil but floats in water. Which statement best explains this?

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✅EvaluateQuestion 17 of 21

A block floats with half its volume submerged in water. This suggests that

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✅EvaluateQuestion 18 of 21

Why does a loaded ship sit lower in the water?

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✅EvaluateQuestion 19 of 21

An object floats in fresh water but sinks in seawater. Which conclusion is correct?

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✅EvaluateQuestion 20 of 21

Which observation best supports Archimedes’ principle during an experiment?

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✅EvaluateQuestion 21 of 21

A stone and a piece of wood have the same volume. Both are placed in water. Why does only the wood float?

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✅EvaluateQuestion 1 of 21

The upward force acting on a body in a liquid is called

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