A Small Sphere Attached to a Light Rigid Rod Rotates

question 31

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 negative, its angular velocity is negative, 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 counterclockwise and then clockwise.

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Definitions:

Specific Result

A particular outcome or effect that is aimed for or achieved in a given context.

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A state of being free from doubt or convinced about a fact, outcome, or condition.

Alternative Solutions

Viable options or strategies that can be implemented to solve a problem or address a situation, often explored during the decision-making process.

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A distinct occurrence or happening, often of particular importance or significance, that takes place at a certain time and location.