An Object Hangs from a Spring Balance

question 23

Multiple Choice

An object hangs from a spring balance.The balance indicates 30 N in air, 20 N when the object is submerged in water.What does the balance indicate when the object is submerged in liquid with a density that is half of water?

• A)20 N
• B)25 N
• C)30 N
• D)35 N
• E)40 N

---

Definitions:

Urie Bronfenbrenner

A psychologist famous for developing the Ecological Systems Theory to explain how the inherent qualities of a child and his environment interact to influence how he will grow and develop.

Child Development

The biological, psychological, and emotional changes that occur in humans from birth to the end of adolescence, as the individual progresses from dependency to increasing autonomy.

Unconscious Conflicts

Deep-seated, often repressed conflicts within a person's mind, which can affect behaviors and emotions without the person being fully aware of them.

Ecological Theory

A framework suggesting that individual development is influenced by different types of environmental systems, from immediate surroundings to broader societal contexts.