A 2-Kg Object Is Moving at 3 M/s

question 44

Multiple Choice

A 2-kg object is moving at 3 m/s. A 4-N force is applied in the direction of motion and then removed after the object has traveled an additional 5 m. The work done by this force is:

• A) 12 J
• B) 15 J
• C) 18 J
• D) 20 J
• E) 38 J

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Definitions:

Cerebral Aqueduct

A narrow channel within the brain that connects the third and fourth ventricles, allowing for the flow of cerebrospinal fluid.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in sleep and dreaming.

Choroid Plexus

Specialized tissue in the ventricles of the brain that produces cerebrospinal fluid, playing a key role in protecting and nourishing the brain and spinal cord.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion and delivering nutrients to the central nervous system while removing waste.