10. The flow rate in a 3-m wide rectangular channel on a slope of 2 percent is 11 m/s. The Manning's roughness coefficient is 0.013. A 3-m wide 1.500-m high broad-crested weir is at the downstream end of the channel. The discharge equation for the weir is, Q Ca(2g)0SLH15 %3D discharge (m/s) discharge coefficient, 0.38 gravitational acceleration (m/s?) length of the weir (m) head on the weir (m) %3D %3D %3D %3D H. Determine the type of surface profile upstream from the weir. Using the direct step method, analyse in one step the profile upstream from the weir. (yn 0.595 m, hydraulic jump, 72.7 m to the hydraulic jump)

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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.