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Unbalanced Force

Unbalanced Force

Any force acting on an object such that, when all of the force on that object are added up, the net force on that object is not zero.

Physics Dictionary

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Forces: Key Terms

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Free Body Diagrams: Key Terms

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Newton's Second Law: Key Terms

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Key Terms

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Newton's First Law: Key Terms

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BoxSand

  • Review and Vectors
    • General Review
      • Lecture 1 | Review
    • Vector Operations
      • Lecture 1 | Vectors
  • Kinematics
    • Average Quantities
      • Lecture 1 | Position and Displacement
      • Lecture 2 | Average Velocity and Acceleration
    • Graphical Analysis
      • Lecture 1 | Graphical Analysis
    • 1D Kinematics
      • Lecture 1 | 1-D Kinematics of Constant Acceleration
      • Lecture 2 | 1-D Kinematics Problem Solving Strategies
    • 2D Kinematics
      • Lecture 1 | 2-D Kinematics
      • Lecture 2 | Projectile Motion
  • Mechanics
    • Forces 1
      • Lecture 1 | Forces Introduction
      • Lecture 2 | FBD and Newton's 2nd Law
      • Lecture 3 | Application of Newton's 2nd Law
    • Forces 2
      • Lecture 1 | Friction
      • Lecture 2 | Inclined Planes
    • Forces 3
      • Lecture 1 | Coupled Systems and Pulleys
      • Lecture 2 | Forces and Uniform Circular Motion
  • Momentum
    • Impulse and Momentum
      • Lecture 1 | Impulse and Momentum Theorem
    • Conservation of Momentum
      • Lecture 1 | 1-D Conservation of Momentum
      • Lecture 2 | 2-D Conservation of Momentum
  • Energy
    • Work & Kinetic Energy
      • Lecture 1 | Work and Kinetic Energy Theorem
    • Conservation of Energy
      • Lecture 1 | Potential Energy and Conservation of Energy
      • Lecture 2 | Conservation of Energy Application
      • Lecture 3 | Systems and Energy, Collisions
  • Rotational Mechanics
    • Rotational Kinematics
      • Lecture 1 | Angular Position, Velocity, and Acceleration for Non-uniform Circular Motion
      • Lecture 2 | Connecting Rotational and Translational Kinematics
    • Statics & Dynamics
      • Lecture 1 | Torque and the 2nd Law for Rotation
      • Lecture 2 | Application of 2nd Law: Static Equilibrium and Stability
      • Lecture 3 | Dynamics and Moment of Inertia
    • Rotation and Conserved Quantities
      • Lecture 1 | Angular Momentum and Rotational Energy
  • Thermodynamics
    • Microscopic Model of Gases
      • Lecture 1 | Micro view of matter, kinetic theory of gases
      • Lecture 2 | State variables and equations of state, ideal gas
    • 1st Law and Heat
      • Lecture 1 | 1st law of thermodynamics, energy transfers
      • Lecture 2 | Specific Heat, Phase Transformations, Calorimetry
      • Lecture 3 | Conduction, Convection, Radiation
    • 2nd Law and Entropy
      • Lecture 1 | Entropy, 2nd Law
    • Thermodynamic Processes and Cycles
      • Lecture 1 | Heat Engines
      • Lecture 2 | PV Diagrams, Processes
      • Lecture 3 | Cycles and efficiency
  • Fluid Mechanics
    • Fluid Statics
      • Lecture 1 | Pressure at a Depth, Pascal's Principle
      • Lecture 2 | Hydraulics, Buoyancy
    • Fluid Dynamics
      • Lecture 1 | Continuity, Bernoulli
  • Waves & Oscillations
    • Oscillating Systems
      • Lecture 1 | General Oscillations, Simple Harmonic Motion, Equations of Motion
      • Lecture 2 | SHM Case Studies: Pendulums and Springs
      • Lecture 3 | Damped Oscillations, Driven Oscillations and Resonance
    • Traveling Waves
      • Lecture 1 | Wavelength, Frequency, Speed, Equations of Motion
      • Lecture 2 | Sound, Light, Waves on a String
      • Lecture 3 | Energy and Intensity, Sound Intensity Level: Decibels
      • Lecture 4 | Doppler
    • Superposition of Waves
      • Lecture 1 | Standing Wave Resonance in Tubes and on Strings
      • Lecture 2 | General Two Source Interference
  • Optics
    • Wave Optics
      • Lecture 1 | Young's Double Slit
      • Lecture 2 | Multi and Single Slit, Spectroscopy
      • Lecture 3 | Index of Refraction, Thin Film Interference
    • Ray Optics
      • Lecture 1 | Rays, Reflection, Refraction, TIR, Dispersion
      • Lecture 2 | Formation of Images, Ray Tracing
      • Lecture 3 | Thin Lenses
  • Electric Fields & Potentials
    • Charges and the Electric Force
      • Lecture 1 | Micro-model of Charge, Q-transfer, Conductors vs. Insulators
      • Lecture 2 | Electric Forces and Coulomb's Law
    • Electric Fields
      • Lecture 1 | Field Model, Charges in an Electric Field
      • Lecture 2 | Electric Field from Point Charges
      • Lecture 3 | Electric Fields Patterns
    • Electric Potential
      • Lecture 1 | Electric Potential and Electric Potential Energy
      • Lecture 2 | EP Field Patterns and Motion of Charges
      • Lecture 3 | Connecting Electric Potential and Electric Field
  • Circuits
    • Resistive Circuits
      • Lecture 1 | Micro-model of Charge flow, Resistance, Ohm's Law, Power
      • Lecture 2 | Kirchoff's Laws
      • Lecture 3 | Equivalent Circuits
  • Magnetism
    • Magnetic Fields and Forces
      • Lecture 1 | Magnetic Fields, Magnetism
      • Lecture 2 | Magnetic Force, UCM
    • Magnetic Induction
      • Lecture 1 | Motional EMF, Induced Currents
      • Lecture 2 | Faraday and Lenz's Law
  • Sensemaking
  • Math Tools
    • Scientific Notation
    • Significant Figures
    • Dimensional Analysis
    • Units
    • Algebra
    • Mathematization
    • Basic Functions
    • Proportional Reasoning
    • Geometry and Trigonometry
    • Vectors
    • Order of Magnitude Estimations
  • Physics Dictionary
  • Resource Repositories
    • Activities Repository
    • Clicker Questions Repository
    • Content Repository
    • Demos Repository
    • Example Problems Repository
    • Labs Repository
    • Recitations Repository
    • Simulations Repository

Contact Info

OSU Introductory Physics

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Director of Project BoxSand: Dr. KC Walsh, walshke@oregonstate.edu

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Fall 2024

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