A storm water drainage pipe with diameter of 800mm is carrying stormwater of density 1153 kg/m3. The water is filled to a height of 600mm from the bottom. The arrangement is shown in the figure below. If the length of AC=384.7mm, determine the magnitude and line of action of the resultant force that water exerts on a 1-m length of curve section BC of the conduit wall. Also draw the free-body diagram of the AOBC zone of the conduit. (Hint: An arc with radius R and centre angle a, will have an area equal to a/2*R?, where a is in radians)

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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.