A Man, Holding a Weight in Each Hand, Stands at the Center

question 20

Multiple Choice

A man, holding a weight in each hand, stands at the center of a horizontal frictionless rotating turntable.The effect of the weights is to double the rotational inertia of the system.As he is rotating, the man opens his hands and drops the two weights.They fall outside the turntable.Then:

• A)his angular velocity doubles
• B)his angular velocity remains about the same
• C)his angular velocity is halved
• D)the direction of his angular momentum vector changes
• E)his rotational kinetic energy increases

---

Definitions:

Economic Well-Being

The state of having financial health and stability, access to essential services, and the ability to meet personal and familial needs.

Interpersonal Reason

The capacity and process to think about and understand the reasons behind other people's behaviors and actions within social contexts.

Social Class

A categorization within society determined by social and economic levels.

FICA-OASDI

The Federal Insurance Contributions Act Old-Age, Survivors, and Disability Insurance program, which funds Social Security and is paid for by payroll taxes.