## Be Prepared For The Toughest Questions

### Practice Problems

A 1.80-kg connecting rod from a car engine is pivoted about a horizontal

A 1.80-kg connecting rod from a car engine is pivoted about a horizontal knife edge as shown in Fig.13.33. The center of gravity of the rod was located by balancing and is 0.200 m from the pivot. When the rod is set into small-amplitude oscillation, it makes 100 complete swings in 120 s. Calculate the moment of inertia of the rod about the rotation axis through the pivot.

Hint
ManagementThe moment of inertia simply refers to the quantitative measure of the rotational inertia of a body.  that is, the opposition that the body contains to having its speed of rotation about an axis disturbed by the application of a turning force. Moment of inertia = sum of the product of mass with square of its distance from the axis of the rotation, I = Σ m*r^2....

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