The Speed of an Object Moving in a Circle Is

question 17

Multiple Choice

The speed of an object moving in a circle is doubled. The centripetal force needed is

• A) one-quarter as much as before.
• B) half as much as before.
• C) twice as much as before.
• D) four times as much as before.

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Definitions:

Alveolates

A group of protists characterized by the presence of alveoli, small sacs underneath their cell membranes.

Kelps

Large brown seaweeds that grow in underwater forests in shallow oceans, known for their high growth rate and the complex habitat they provide for marine life.

Brown Algae

A group of photosynthetic, multicellular marine algae, typically found in cooler waters, distinguished by their brown color due to fucoxanthin pigment.