A Curtain Hangs Straight Down in Front of an Open

question 40

Multiple Choice

A curtain hangs straight down in front of an open window.A sudden gust of wind blows past the window;and the curtain is pulled out of the window.Which law,principle,or equation can be used to explain this movement of the curtain?

• A)Poiseuille's law
• B)Bernoulli's equation
• C)the equation of continuity
• D)Archimedes' principle
• E)Pascal's principle

---

Definitions:

Socioeconomic Status

Represents an individual's or family’s economic and social position in relation to others, based on income, education, and occupation.

Psychological Identity

An individual's self-perception formed through personal experiences, social interactions, and internalized values, contributing to their overall sense of self.

Motherese

A simplified and often higher-pitched style of speech that adults use when talking to babies, aimed at supporting language acquisition.

Parentese

A simplified form of speech, often with exaggerated tones and sounds, used by adults when speaking to babies and young children.