When Is the Angular Momentum of a System Constant

question 119

Multiple Choice

When is the angular momentum of a system constant?

• A)Only when its total kinetic energy is constant.
• B)Only when the linear momentum and the energy are constant.
• C)Only when no net external torque is exerted on the system.
• D)Only when the moment of inertia is constant.

---

Definitions:

Assembly Department

A production division where various components are assembled to form a finished product.

Process Costing

A costing methodology used in manufacturing where costs are assigned to processes or departments, suitable for homogeneous products.

Job-Order Costing

A costing system used in situations where many different products, jobs, or services are produced each period.

Breakfast Cereal

A food product made from processed grains that is often eaten as a first meal of the day with milk.