A Uniform Metre Stick Is Pivoted to Rotate About a Horizontal

question 34

Multiple Choice

A uniform metre stick is pivoted to rotate about a horizontal axis through the 25-cm mark on the stick. The stick is released from rest in a horizontal position. The moment of inertia of a uniform rod about an axis perpendicular to the rod and through the centre of mass of the rod is given by (1/12) ML2. Determine the magnitude of the initial angular acceleration of the stick.

• A)17 rad/s2
• B)13 rad/s2
• C)15 rad/s2
• D)19 rad/s2
• E)23 rad/s2

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