Phys Notes Feb28

# Phys Notes Feb28 - L14 ch 10 1 Lect 14 Torque Angular...

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L14, ch 10 1 Lect 14 Torque, Angular Acceleration, Rotation about Moving Axis (Sections 10.1-10.4) Application of basic principles to rotational motion: New- ton’s laws apply but their application is facilitated by the use of the concept of torque . ¥ Key Concepts The torque of a force describes the tendency of the force to cause or change rotational motion of the body on which the force acts. The sum of the torques acting on a rigid body is propor- tional to its angular acceleration ; the proportionality constant is the moment of inertia . The motion of a rigid body can always be described as a combination of translational motion of the center of mass and rotational motion about an axis through the center of mass. When a force acts on a rotating body, the work done during an angular displacement is the product of torque and angular displacement . Power is the product of torque and angular velocity.

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L14, ch 10 2 ¥ The torque of a force describes the tendency of the force to cause or change rotational motion of the body on which the force acts.
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## This note was uploaded on 03/19/2008 for the course PHYS 2305 taught by Professor Tschang during the Spring '08 term at Virginia Tech.

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Phys Notes Feb28 - L14 ch 10 1 Lect 14 Torque Angular...

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