The Driver of a 1000-Kg Car Tries to Turn Through

question 9

Multiple Choice

The driver of a 1000-kg car tries to turn through a circle of radius 100 m on an unbanked curve at a speed of 10 m/s.The actual frictional force between the tires and a slippery road has a magnitude of 900 N.The car:

• A)slides into the inside of the curve
• B)makes the turn
• C)slows down due to the frictional force
• D)will make the turn only if it goes faster
• E)slides off to the outside of the curve

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Definitions:

Cerebellum

A part of the brain at the back of the skull in vertebrates, crucial for coordination, precision, and accurate timing of movements.

Cerebrum

The largest part of the brain, responsible for voluntary actions, sensory perception, thought, reasoning, and memory.

Diencephalon

A division of the brain located between the cerebral hemispheres and brainstem, encompassing structures such as the thalamus and hypothalamus.

Midbrain

The middle portion of the brainstem that plays a role in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.