No Work Is Done by Gravity on a Bowling Ball

question 9

Multiple Choice

No work is done by gravity on a bowling ball that rolls along a bowling alley because

• A)no force acts on the ball.
• B)no distance is covered by the ball.
• C)the force on the ball is at right angles to its motion.
• D)no potential energy converts to kinetic energy.
• E)its kinetic energy may vary.

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Definitions:

Italic

A style of font in which the letters slant to the right, often used for emphasis or distinction.

Bold

A typeface style that makes letters and symbols thicker and darker to add emphasis or attract attention.

Sentence Fragment

A sentence fragment is a group of words that does not express a complete thought and does not contain a subject and a predicate working together.

Independent Clauses

Sentences or parts of sentences that can stand alone because they express a complete thought and have both a subject and a verb.