A Giant Wheel, Having a Diameter of 40 M, Is

question 33

Multiple Choice

A giant wheel, having a diameter of 40 m, is fitted with a cage and platform on which a man of mass m stands.The wheel is rotated in a vertical plane at such a speed that the force exerted by the man on the platform is equal to his weight when the cage is at X, as shown.The net force on the man at point X is:

• A)0
• B)mg, down
• C)mg, up
• D)2 mg, down
• E)2 mg, up

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Definitions:

Positive Feedback

A process in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.

Innate Talent

Natural abilities or proficiency in certain activities or fields present from birth or without the need for learning.

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A condition where an individual harbors negative feelings or animosity towards someone or something, but does not openly express it.

Conclusion

The final part or summing up of an argument, research study, or discussion, often reflecting the results or the main points made.