Four Identical Particles, Each with Mass M, Are Arranged in the X

question 43

Multiple Choice

Four identical particles, each with mass m, are arranged in the x, y plane as shown. They are connected by light sticks to form a rigid body. If m = 2.0 kg and a = 1.0 m, the rotational inertia of this array about the y-axis is:

• A) 4.0 kg∙m²
• B) 12 kg∙m²
• C) 9.6 kg∙m²
• D) 4.8 kg∙m²
• E) none of these

---

Definitions:

Older People

Refers to individuals who are typically aged 65 years and above, often considered to be in the later stage of their life.

Happiness

A state of well-being and contentment characterized by emotions ranging from contentment to intense joy.

Wealth

An abundance of valuable financial assets or physical possessions which can include money, real estate, and personal property.

Poverty

The state of being extremely poor, where individuals lack financial resources to meet basic life needs such as food, shelter, and healthcare.