A Small Sphere Attached to a Light Rigid Rod Rotates

question 34

Multiple Choice

A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are positive, its angular velocity is positive, and its angular acceleration is negative. The sphere is

• A) rotating clockwise and slowing down.
• B) rotating counterclockwise and slowing down.
• C) rotating clockwise and speeding up.
• D) rotating counterclockwise and speeding up.
• E) first rotating clockwise and then counterclockwise.

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Definitions:

Machine Learning

A subset of artificial intelligence (AI) that enables systems to learn, improve from experience, and make decisions with minimal human intervention.

Fine Motor Skills

The coordination of small muscles in movements, typically involving synchronization of hands and fingers with the eyes.

Augmented Reality

A technology that superimposes digital information and images onto the physical world, enhancing the user's perception of reality.

3-D Holograms

Three-dimensional images produced by the interaction of laser beams, creating a visual representation that appears to float in space.