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Introductory Topics
  • 2D Coordinate Systems
  • 3D Coordinate Systems
  • Significant Figures
  • Unit Conversions
  • Length Conversions
  • Time Conversions
  • Vectors
  • Component<->Phase/Magnitude
  • Addition
  • Kinematics
  • 1D Velocity Problems
  • 2D Velocity Problems
  • Relative Velocity
  • 1D Relative Velocity Problems
  • 2D Relative Velocity Problems
  • Acceleration
  • Acceleration: Constant, From Rest
  • Acceleration: Constant, With Initial Velocity
  • Acceleration: Constant, On an Inclined Plane
  • Acceleration: General
  • Circular Motion
  • Circular Motion: Meaurement in Radians
  • Circular Motion: Angular Velocity
  • Circular Motion: Angular Acceleration
  • Circular Motion: Mixed Angular/Linear Parameters
  • Circular Motion: Centripetal Acceleration
  • Trajectories
  • Vertical Launch
  • Horizontal Launch
  • Launch at Arbitrary Angle
  • Mechanics
    Introduction to Forces
  • Newton's First Law & Equilibrium
  • Newton's Second Law
  • Newton's Third Law
  • Friction
  • Work and Energy
  • Kinetic Energy
  • Gravitational Energy
  • Work
  • Conservation of Mechanical Energy
  • Momentum
  • 1D Elastic Collision
  • 1D Perfect Inelastic Collision
  • 2D Perfect Inelastic Collision
  • Rotation
  • Introduction to Torque
  • Moment of Inertia
  • Angular Velocity Dynamics
  • Rotational Energy
  • Angular Momentum
  • Mixed Linear/Rotational Problems
  • Thermodynamics
    Gas Expansion
  • Ideal Gas Law
  • Isobaric Expansion of a Gas
  • Isothermal Expansion of a Gas
  • Engines
  • Engine Efficiency
  • Optics
    Geometric Optics
  • Reflection off a Plane Surface
  • Snell's Law - Basic
  • Critical Angle
  • Electricity
  • Gauss' Law
  • Magnetism
    Long Wires
  • Force Between Parallel Wires
  • Circuits
  • Resistors Connected in Series
  • Resistors Connected in Parallel
  • Vibrations and Waves
  • Relation Between Speed, Frequency and Wavelength
  • DC Physics Practice Problems

    If you're learning Physics you need to practice solving problems. Here are some sample problems for topics covered in a typical introductory Physics course. By randomizing the content every time any given problem is loaded, each link provides a virtually endless source of variations on each type of problem. You can keep practicing and checking your answer against the solution until you have the problem type down cold. For more intense practice you can make up minitests from your choice of problem types.


    Make a Practice Test

    Some Hints & Solutions