Which of the Following Are Required for the Total Momentum

question 5

Multiple Choice

Which of the following are required for the total momentum (both angular and linear) of a system to be conserved?
1.The sum of the external torques acting on the system must be zero.
2.The sum of the external forces acting on the system must be zero.
3.The total kinetic energy must remain constant.
4.There can be no external torques or forces acting on the system.
5.There can be no internal torques or forces acting on the system.

• A)1 and 2
• B)1, 2, and 3
• C)1, 2, and 4
• D)1, 2, 3, and 4
• E)1, 2, 3, 4, and 5

---

Definitions:

Principal

The primary party to a transaction, such as a contract or financial instrument, who has the rights and responsibilities directly related to it.

Agent

An individual authorized to act on behalf of another person or entity, often in a business setting.

Liability

A legal obligation or debt that an entity is bound to fulfill towards another party.

Employer's Liability

Legal responsibility of an employer for injuries, illnesses, or damages suffered by employees as a result of their employment.