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2 cards from this section. Quick, good the night before a test.
What is buoyant force?
Think about how objects behave in water.
What is Archimedes’ Principle?
Consider what happens when you place an object in a fluid.
What does Archimedes’ Principle state?
Think about what happens when an object is placed in a fluid.
True or False: An object will float if its weight is less than the buoyant force acting on it.
Consider the balance between weight and buoyant force.
An object weighs 200 N in air. When submerged in water, it exerts a buoyant force that changes its apparent weight. What is the apparent weight of the object if it displaces 0.1 m³ of water? (Density of water = 1000 kg/m³)
Use the weight of the water displaced to find the buoyant force.
A cubic block of material has sides of 0.5 m and a density of 800 kg/m³. Will it float or sink when placed in water?
Compare the weight of the block against the buoyant force to determine the outcome.
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