In a Bicycle, the Pedals Drive the Chainwheel, Which Is

question 58

Multiple Choice

In a bicycle, the pedals drive the chainwheel, which is connected by means of a chain to the cogwheel, a small wheel attached to the rear wheel. In a certain bicycle, the radius of the chainwheel is 12.0 cm, the radius of the cogwheel is 4.0 cm, and the radius of the rear wheel is 66.0 cm. At what rate should the cyclist be pedaling in order for the bicycle to have a forward speed of 10.0 m/s?

• A) 48.2 rpm
• B) 16.1 rpm
• C) 12.1 rpm
• D) 24.1 rpm
• E) 60.3 rpm

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Definitions:

William James

An American philosopher and psychologist, often referred to as the father of American psychology, known for his work in pragmatism and functional psychology.

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Twentieth Century

The period from January 1, 1901, to December 31, 2000, marked by significant global changes in culture, technology, and politics.

Empirically Oriented

An approach that relies on observation, experimentation, and evidence rather than theory or pure logic.