The Total Mechanical Energy of a System

question 96

Multiple Choice

The total mechanical energy of a system

• A) is equally divided between kinetic energy and potential energy.
• B) is either all kinetic energy or all potential energy, at any one instant.
• C) can never be negative.
• D) is constant, only if conservative forces act.
• E) is not uniquely determined for most naturally occurring systems.

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Definitions:

Critical Periods

Specific times during organism development when the organism is particularly susceptible to certain environmental stimuli or experiences.

Scientific Method

The process of posing and answering questions using careful, controlled techniques that include systematic, orderly observation and the collection of data.

Bioecological Approach

A theoretical model that emphasizes the importance of both biological and environmental factors in the development of human beings, highlighting the dynamic interactions between them.

Bronfenbrenner

A theorist best known for proposing the ecological systems theory, which describes how the social environments from immediate surroundings to broader societal levels influence human development.