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Questions and Answers
What happens when you apply force to a spring according to Hooke's Law?
What happens when you apply force to a spring according to Hooke's Law?
- The force compresses the spring
- The force stretches the spring (correct)
- The force breaks the spring
- The force has no effect on the spring
What is the relationship between volume and pressure of a gas according to Boyle's Law?
What is the relationship between volume and pressure of a gas according to Boyle's Law?
- The volume of a gas is unaffected by changes in pressure
- The volume of a gas decreases as the pressure increases (correct)
- The volume of a gas varies directly with the pressure
- The volume of a gas increases as the pressure increases
What is the magnitude of the buoyant force acting on an object submerged in a fluid according to Archimedes' principle?
What is the magnitude of the buoyant force acting on an object submerged in a fluid according to Archimedes' principle?
- Equal to the volume of the object
- Equal to the density of the fluid
- Equal to the weight of the fluid displaced by the object (correct)
- Equal to the weight of the object
What happens to a pressure change in a fluid in a closed container according to Pascal's Principle?
What happens to a pressure change in a fluid in a closed container according to Pascal's Principle?
What is common to all three of Hooke's Law, Boyle's Law, and Archimedes' principle?
What is common to all three of Hooke's Law, Boyle's Law, and Archimedes' principle?
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Study Notes
Laws of Physics
- Hooke's Law: applying force to a spring results in stretching the spring
- Boyle's Law: the volume of a gas varies inversely with the pressure, given a constant temperature
- Archimedes' Principle: a submerged object in a fluid (gas or liquid) experiences an upward buoyant force equal to the weight of the displaced fluid
Pressure and Fluids
- Pascal's Principle: a pressure change in one part of a closed container is transmitted evenly to every part of the fluid and the container walls
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