: Find the resultant couple moment of the two couples that act on the pipe assembly. The distance from A to B is d-500 mm. Express the result as a vector. (Hint: first calculate two couple moments and then find their resultant couple moment.) (35k) N 250 mm (-SON) N C (-35k) N 350 mm (501) N

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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.