Physics Laws and Principles

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Questions and Answers

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?

  • 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?

  • 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?

<p>The pressure change is transmitted to every portion of the fluid (C)</p> Signup and view all the answers

What is common to all three of Hooke's Law, Boyle's Law, and Archimedes' principle?

<p>They are all physical laws that describe various physical phenomena (C)</p> Signup and view all the answers

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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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