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.

---

Definitions:

Peripheral Nervous System

Part of the nervous system outside the brain and spinal cord, including all the nerves that extend to the rest of the body, responsible for transmitting sensory and motor information.

Somatic Nervous System

The part of the peripheral nervous system that handles voluntary control of body movements through the control of skeletal muscles.

Sensory Neurons

Nerve cells responsible for converting external stimuli from the organism's environment into internal electrical impulses.

Pituitary Gland

A pea-sized gland situated at the base of the brain, vital for regulating essential body functions and general wellbeing.