In the Figure,the Rotor of a Gyroscope Is a Uniform

question 44

Multiple Choice

In the figure,the rotor of a gyroscope is a uniform disk that has a radius of 13.8 cm and a moment of inertia about its axis of .The length of the rotor shaft is 6.9 cm.The ball pivot at P is frictionless.At a given instant,the rotor shaft is horizontal and the rotor is rotating with an angular velocity of 90 rad/s about its axis OP,as shown.The rotor is viewed from point Q on the axis.The precessional linear velocity of point O,including the direction seen from point Q,is closest to

• A) 0.054 m/s, leftward.
• B) 0.054 m/s, upward.
• C) 0.054 m/s, rightward.
• D) 0.11 m/s, downward.
• E) 0.11 m/s, rightward.

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Definitions:

Predetermined Overhead Rate

A rate used to apply manufacturing overhead to products or job orders, calculated before the production process begins.

Job-Order Costing

An accounting methodology used to assign costs to specific jobs or batches, enabling the calculation of profitability per job.

Machine-Hours

A measure of production time, calculated by multiplying the number of machines by the hours they are in operation.

Predetermined Overhead Rate

The rate calculated prior to the accounting period that is used to apply overhead costs to products or job orders, based on estimated costs and activity levels.