Exercise
Form 15: Comprehensive Review on Density and Buoyancy
Dive into the exciting world of physics with "Form 15: Comprehensive Review on Density and Buoyancy," where students will explore fundamental concepts through hands-on experiments, real-world applications, and interactive simulations that illustrate how objects behave in fluids. Engage in thoughtful discussions and problem-solving activities to strengthen your understanding of mass, volume, and the principles that make boats float and balloons rise!
Questions
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MultiChoice
A metal cylinder has mass 250 g and volume 50 cm³. Find its density.
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MultiChoice
An object displaces 0.78 kg of water. What is the buoyant force on it (using g = 10 N/kg)?
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MultiChoice
Calculate the volume of a 300 g piece of plastic with density 2 g/cm³.
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MultiChoice
Find the mass of 500 cm³ of kerosene with density 0.9 g/cm³.
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MultiChoice
A metal object weighs 45 N in air and 20 N in water. What is the buoyant force?
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MultiChoice
According to Archimedes' principle, buoyant force equals:
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MultiChoice
If an object's density is 1.5 g/cm³ and it is placed in water (1.0 g/cm³), the object:
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MultiChoice
Water in a graduated cylinder measures 100 mL. After dropping in a toy, it reads 125 mL. What is the toy's volume?
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MultiChoice
Which equation correctly defines density?
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MultiChoice
When a solid metal sphere is compressed so its volume decreases while mass remains constant, its density:
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MultiChoice
A rock weighs 100 N in air. When submerged, water exerts 20 N buoyant force. What is its apparent weight?
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MultiChoice
A wooden block has mass 80 g and dimensions 2 cm x 5 cm x 10 cm. Find its density.