An Ice Cube in a Glass of Water Is Pushed

question 49

Multiple Choice

An ice cube in a glass of water is pushed to the bottom of the glass and held there with a straw. Consequently, the buoyant force on the ice cube is now

• A) exactly balanced by the force exerted only by the straw.
• B) exactly balanced by the weight of the ice cube.
• C) greater than when the cube was floating at the top.
• D) the same as when the cube was floating at the top.

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Definitions:

Muscle Relaxant

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A severe psychological condition marked by alterations in cognition, feeling, speech, self-identity, and actions.

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Excessive movement, impulsive actions, and difficulty with maintaining attention, often associated with ADHD.

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A psychological condition marked by an ongoing low mood or a lack of enthusiasm for activities, which greatly disrupts everyday functioning.