Four Identical Particles (Mass of Each = 0

question 38

Multiple Choice

Four identical particles (mass of each = 0.24 kg) are placed at the vertices of a rectangle (2.0 m × 3.0 m) and held in those positions by four light rods which form the sides of the rectangle. What is the moment of inertia of this rigid body about an axis that passes through the center of mass of the body and is parallel to the shorter sides of the rectangle?

• A) 2.4 kg⋅m²
• B) 2.2 kg⋅m²
• C) 1.9 kg⋅m²
• D) 2.7 kg⋅m²
• E) 8.6 kg⋅m²

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Definitions:

Manufacturing Overhead

All manufacturing costs that are not direct materials or direct labor, including indirect materials, indirect labor, and other production-related expenses.

Prime Cost

The combined cost of direct materials and direct labor that are directly involved in the manufacturing of a product.

Direct Labour

The expenses related to workers who are directly engaged in creating products or services.

Manufacturing Overhead

Covers indirect costs related to the production process, such as factory salaries, utilities, and rent, that are not directly tied to direct labor or materials.