Physics 100 – Torque and Equilibrium of Rigid Bodies


What you’ll learn

  • How to calculate torque, center of mass, and solve equilibrium problems


  • Basic understanding of Forces, Vectors, and Newton’s Laws


This course covers torque, center of mass, rigid bodies in equilibrium, and the stability of objects.   The course is a mix of lectures and problem solving tutorials.   Students will learn to how to calculate torque, how to evaluate the center of mass of systems of particles and objects with uniform density.    I will teach you how to approach problems and help you develop your own problem solving strategies to become a better problem solver.

Part 1: Torque

  • What is torque?
  • Understand how torque is different from forces
  • Calculate torque using 3 different techniques (standard methods, force components, and moment arms)
  • Several example problems to practice

Part 2: Center of Mass

  • Learn how to find the center of mass of symmetric objects
  • Calculating the center of mass of systems of particles in 1D, 2D, and 3D.
  • Practice problems

Part 3: Static Equilibrium

  • Conditions for Static Equilibrium
  • Problem solving strategies
  • Picking the right pivot location
  • Several example problems to practice the problem solving techniques.

Part 4:  Various Problem Section

  • Practice solving Torque and center of mass problems and compare your answers to those of Physics Ninja
  • Section contains conceptual questions and algebraic questions ranging from easy to very challenging.

If at any point you don’t understand something in my videos please feel free to reach out.  I’m always willing to help someone learn.  Physics Ninja always has your back!

Happy Learning

Dr. E., Physics Ninja and Expert Physics and Math Teacher.


Who this course is for:

  • AP physics students, first year undergraduate physics, MCAT physics prep and anyone
  • Students studying for physics exams


Physics 100 – Torque and Equilibrium of Rigid Bodies, Free Tutorials Download

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Author: Ho Quang Dai

I am Ho Quang Dai, from Vietnam – A country that loves peace. I share completely free courses from major academic websites around the world. Hope to bring free knowledge to everyone who can’t afford to buy

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