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Welcome to our Physics lesson on **Work in Rotational Motion**, this is the sixth lesson of our suite of physics lessons covering the topic of **Dynamics of Rotational Motion**, you can find links to the other lessons within this tutorial and access additional physics learning resources below this lesson.

In linear motion, Work if the dot product of Force applied on an object and the linear distance the object moves (see the Physics tutorial "Work. Energy. Types of Energy." Similarly, in the rotational world, work is done by a torque τ applied through some angle φ. Mathematically, we have

W_{rot} = τ × φ

We use torque here instead of moment of force, as the process is dynamic, i.e. there is no work if the object doesn't move.

You have reached the end of Physics lesson **7.2.6 Work in Rotational Motion**. There are 8 lessons in this physics tutorial covering **Dynamics of Rotational Motion**, you can access all the lessons from this tutorial below.

Enjoy the "Work in Rotational Motion" physics lesson? People who liked the "Dynamics of Rotational Motion lesson found the following resources useful:

- Work Feedback. Helps other - Leave a rating for this work (see below)
- Rotation Physics tutorial: Dynamics of Rotational Motion. Read the Dynamics of Rotational Motion physics tutorial and build your physics knowledge of Rotation
- Rotation Revision Notes: Dynamics of Rotational Motion. Print the notes so you can revise the key points covered in the physics tutorial for Dynamics of Rotational Motion
- Rotation Practice Questions: Dynamics of Rotational Motion. Test and improve your knowledge of Dynamics of Rotational Motion with example questins and answers
- Check your calculations for Rotation questions with our excellent Rotation calculators which contain full equations and calculations clearly displayed line by line. See the Rotation Calculators by iCalculator™ below.
- Continuing learning rotation - read our next physics tutorial: Centripetal Force

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