The Sum of the Kinetic and Potential Energies of a System

question 52

Multiple Choice

The sum of the kinetic and potential energies of a system of objects is conserved:

• A)only when no external force acts on the objects
• B)only when the objects move along closed paths
• C)only when the work done by the resultant external force is zero
• D)always
• E)none of the above

---

Definitions:

Classical Conditioning

An educational method where two signals are consistently associated; initially, the second signal triggers a reaction, but over time, the reaction becomes triggered by the first signal alone.

Classical Conditioning

A learning process that creates associations between a naturally occurring stimulus and a previously neutral stimulus.

Organism

A living being, ranging from microorganisms and plants to animals and humans, that functions as an individual entity.

Passive

Characterized by inaction or lack of active response, often allowing others to take control or make decisions.