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

question 104

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 4.0 × 10^-3 kg ∙ m².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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Vygotsky

A psychologist known for the sociocultural theory, emphasizing the importance of social interaction in the development of cognition and learning among children.

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