A Satellite Completes One Full Orbit Around Earth

question 86

Multiple Choice

A satellite completes one full orbit around Earth. The work performed by Earth's gravitational force on the satellite is

• A) always positive.
• B) zero J.
• C) always negative.
• D) positive most of the time.
• E) negative most of the time.

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Definitions:

Wax

A broad group of organic substances that are solid at room temperature but melt upon heating, often used as protective coatings or in candle making.

Organic Compound

Organic compounds are chemicals that contain carbon bonded to other elements, particularly hydrogen, and are found in living organisms.

Polyunsaturated

Referring to fat molecules having more than one unsaturated carbon bond in the molecule, found in various oils and fatty acids.

Linseed Oil

An oil obtained from the dried seeds of the flax plant, used as a drying oil in paints and varnishes, as well as in wood finishes.