For planar motion in the xy plane, the resultant applied moments in the x and y direction (Mrx and Mry) are zero. The terms in the time rate of change of rigid body angular momentum expression involving products of inertia (lxz and Iyz) are related to Mrx and Mry, so these terms disappear. As a result, rigid body planar rotational kinetics can be summarized by Mrz = Iz(alpha)k where alpha is the rigid body's angular acceleration and k is the unit vector in the z-direction, and I, is the moment of inertia about the z-axis through the point of interest. True False

For planar motion in the xy plane, the resultant applied moments in the x and y direction (Mrx and Mry) are zero. The terms in the time rate of change of rigid body angular momentum expression involving products of inertia (lxz and Iyz) are related to Mrx and Mry, so these terms disappear. As a result, rigid body planar rotational kinetics can be summarized by Mrz = Iz(alpha)k where alpha is the rigid body's angular acceleration and k is the unit vector in the z-direction, and I, is the moment of inertia about the z-axis through the point of interest. True False

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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