In the Figure Below, a Planet Orbits the Sun

question 79

Multiple Choice

In the figure below, a planet orbits the Sun.During which of the three sections (A, B, or C) will the planet have the lowest average velocity?

• A) A
• B) B
• C) C
• D) The average velocity is the same for sections A, B, and C.
• E) The information given is insufficient to answer this question.

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Definitions:

Planetary Gearset

A gearset consisting of three elements: a sun gear, planetary carrier (containing three or more planetary gears), and a ring gear (annulus). The three separate elements intermesh, and the hold/release status of each determines the output ratios. Also known as an epicyclic gearset.

Stationary Member

A component of a mechanical system that remains fixed in position while other parts move around or relative to it.

Planetary Gearsets

A system of gears consisting of one or more outer gears (planet gears) revolving around a central (sun) gear, used in automatic transmissions.