Fluids
A rock has a mass of 600 kg and a volume of 0.3 m³. What is the density of the rock?
According to the continuity equation, what happens to the velocity of a fluid as the cross-sectional area of the pipe decreases?
Which of the following best describes an open fluid system?
A wooden block has a density of 700 kg/m³ and a volume of 0.05 m³. If the block is placed in water with a density of 1000 kg/m³, what volume of the block will be submerged?
How does density generally change with increasing temperature?
What is the SI unit for pressure?
A 0.1 m³ object is submerged in a fluid with a density of 1200 kg/m³. What is the buoyant force acting on the object?
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An object with a volume of 0.02 m³ and a density of 800 kg/m³ is placed in water (density 1000 kg/m³). What fraction of the object is submerged when it floats?
A force of 50 N is applied over an area of 2 m². What is the pressure?
A 2 kg object is submerged in water. The buoyant force acting on the object is 10 N, and the drag force is negligible. What is the net force acting on the object?