Taking the Zero of Potential Energy to Be at the Infinite

question 32

Multiple Choice

Taking the zero of potential energy to be at the infinite separation of two masses,consider the energy of a body in circular planetary motion.Which of the following statements is valid?

• A)The total mechanical energy of the system is constant and negative.
• B)The total mechanical energy of the system is constant and positive.
• C)The potential energy of the system is equal to the kinetic energy but opposite in sign.
• D)The potential energy of the system decreases as the radius of the orbit increases.
• E)None of these is valid.

---

Definitions:

Devil's Advocate

Someone who, for the sake of argument, adopts a position they do not necessarily agree with, in order to debate or explore the idea further.

Career Advice

Guidance or recommendations regarding professional development and strategies for career growth.

Mental Rehearses

The process of mentally practicing a task or envisioning a situation, often used as a technique to improve performance or prepare for specific scenarios.

Track Record

The accumulated history or performance data of an individual or entity, often indicating success or reliability over time.