An Object Is Completely Submerged in Oil with Specific Gravity

question 31

Multiple Choice

An object is completely submerged in oil with specific gravity 0.7.Which statement below is correct?

• A)If the specific gravity of the object is greater that 1.0,it will rise.
• B)If the specific gravity of the object is less than 0.7,a force downward is required to keep it submerged.
• C)If the specific gravity of the object is greater that 0.7,it will float.
• D)If the object is hanging from a spring scale,it will weigh more when in the oil than out.
• E)If the object has specific gravity 1.0,it will float with 30% of its volume out of the oil.

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Definitions:

Inductive Reasoning

A logical process in which multiple premises, collected through observation, are used to arrive at a probable conclusion.

Concrete Operational Thought

Piaget’s term for the ability to reason logically about direct experiences and perceptions.

Formal Operational Thought

The final stage of cognitive development (according to Piaget), characterized by the ability to think abstractly, logically, and systematically.

Imaginary Audience

A psychological concept where an individual imagines and believes that multitudes of people are enthusiastically listening to or watching them.