A Giant Wheel, 40 M in Diameter, Is Fitted with a Cage

question 26

Multiple Choice

A giant wheel, 40 m in diameter, is fitted with a cage and platform on which a man can stand.The wheel rotates at such a speed that when the cage is at X (as shown) the force exerted by the man on the platform is equal to his weight.The speed of the man is:

• A)14 m/s
• B)20 m/s
• C)28 m/s
• D)80 m/s
• E)120 m/s

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Definitions:

Motor Neuron

A type of neuron that initiates and controls the contraction of muscles, transmitting signals from the brain or spinal cord to the body's muscles.

Cerebral Cortex

The outer layer of the brain involved in high-level functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.

Frontal Lobes

Found at the anterior part of each cerebral hemisphere, this segment of the brain is in charge of initiating voluntary movements, facilitating expressive speech, and controlling superior executive functions.

Occipital Lobes

The backmost section in each half of the brain, mainly tasked with interpreting visual data.