4. For the cover-plated beam shown, determine the following. -1" x 14" plate a. Determine the location of the centroid (y). Use the bottom of the bottom flange as the reference axis. W10 x 100 b. Find the moment of inertia Ix with respect to an axis through the centroid. d = 11.1" Aş = 29.4 in2 x= 623 in4 Express your answers to one or two decimal places and include the appropriate units.

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.