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# Chapter 11: General Rotations

In the last chapter we studied rotational kinematics, rotational energy, and moment of inertia for objects rotating about a fixed axis. In this chapter we will begin by discussing the mathematical description of torque as a vector or cross product. We will also focus on general rotations such as when objects roll (rotate and translate).

# Table of Contents

## Problems

• Problem 11.1: Velocity of a rolling wheel.
• Problem 11.2: A wheel rolls without slipping while pulled by a string wrapped around its circumference.
• Problem 11.3: Determine whether an object rolls without slipping or slides down an incline.
• Problem 11.4: Determine whether an object rolls without slipping or slides down an incline.
• Problem 11.5: Determine the torque on a yo-yo.
• Problem 11.6: A rolling wheel is attached via a string to a hanging mass.
• Problem 11.7: Calculate the angular momentum of several systems.
• Problem 11.8: A red disk is dropped onto a rotating yellow disk.
• Problem 11.9: A puck sliding on an air table collides with another puck.
• Problem 11.10: A puck sliding on an air table collides with another puck.

Mechanics TOC

Overview TOC

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