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  1. Rotational inertia (video) | Khan Academy

    Moment of inertia and torque are completely independent of each other. If you spread out the mass distribution further away from the axis of rotation, the moment of inertia will increase. If …

  2. Cross product and torque (video) | Khan Academy

    A problem from my textbook requires me to find the torque about a line. I know how to find the torque about a given point but I cannot see how I can use τ=r×F to find it about a given line.

  3. Force diagrams and rolling (article) | Khan Academy

    Learn how to use force diagrams to analyze the forces and torques acting on a rigid system. Explore how force and torque can lead to rolling in different situations.

  4. Intro to torque (video) | Khan Academy

    A torque is the rotational equivalent of a force. When a torque is applied to an object it causes the object to rotate. Learn how forces create torques and how to calculate the net torque on a …

  5. Introduction to torque (video) | Khan Academy

    An introduction to torque, a force that causes rotation. Understand how torque is calculated as the product of force and distance, and how it differs from work.

  6. Torque and equilibrium review (article) | Khan Academy

    Review the concept of torque and how it is affected by the applied force and lever arm.

  7. Finding torque for angled forces (video) | Khan Academy

    So what I want to do in this video is show you how to find the torque. There are conceptual ways and tricks to figure it out, so I want to share those with you so that going forward we don't have …

  8. Torque and rotational dynamics | AP®︎/College Physics 1 | Khan …

    Learn how torque relates to force, position, and angle, and how force diagrams can be used to analyze forces and torques acting on a rigid system. Explore how force and torque can lead to …

  9. High school physics | Science | Khan Academy

    If you’ve mastered this content and want to explore physics at the next level, we recommend our AP Physics 1 and AP Physics 2 courses. Give us feedback on this course

  10. Khan Academy | Free Online Courses, Lessons & Practice

    Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of …