Example Problem Solutions from:

Engineering Mechanics: Statics & Dynamics

by R. C. Hibbeler
Tenth Edition, 4th Edition, Pearson Prentice Hall, Upper Saddle River, NJ 2004

Author's Homepage: R. C. Hibbeler

Chapter 4: Force System Resultants

"The moment of a force about a point or axis provides a measure of the tendency of the force to cause a body to rotate about the point or axis. For example, consider the horizontal force Fx, which acts perpendicular to the handle of the wrench and is located a distance dy from point O, Fig. 4-1a. It is seen that this force tense to cause the pipe to turn about the z axis. The larger the force or the distance dy, the great the turning effect. This tendency for rotation caused by Fx is sometimes call a torque, but most often it is called the moment of a force or simply the moment Moz. Note that the moment axis (z) is perpendicular to the shaded plan (x-y) which contains both Fx and dy and that this axis intersects the plane at point O."

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