Four Identical Particles (Mass of Each = 0

question 6

Multiple Choice

Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.5 m × 4.0 m) and held in those positions by four light rods which form the sides of the rectangle. What is the rotational inertia of this rigid body about an axis that passes through the mid-points of the shorter sides and is parallel to the longer sides?

• A)2.2 kg⋅m²
• B)2.8 kg⋅m²
• C)2.5 kg⋅m²
• D)3.1 kg⋅m²
• E)1.6 kg⋅m²

---

Definitions:

Situational Interviews

A interviewing technique that asks candidates to describe how they would handle specific work-related situations, assessing their problem-solving and decision-making skills.

Assessment Centres

Evaluation platforms where candidates' competencies are measured through various techniques and exercises to determine their suitability for specific roles.

Consumer Surplus

The discrepancy between the total price consumers are prepared and can afford to pay for a product or service compared to the actual amount they end up paying.

Producer Surplus

The difference between what producers are willing to sell a good for and the actual price they receive, reflecting gains from trade.