An Umbrella Tends to Move Upwards on a Windy Day

question 27

Multiple Choice

An umbrella tends to move upwards on a windy day principally because

• A) air gets trapped under the umbrella, warms, and rises.
• B) air pressure is reduced over the curved top surface.
• C) buoyancy increases with increasing wind speed.
• D) all of these

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Definitions:

Therapeutic Instructions

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Humanistic Therapist

A type of therapist who employs a humanistic approach to psychotherapy, focusing on an individual's unique potential for self-growth and personal understanding.

Psychoanalyst

A therapist who practices psychoanalysis, a method of psychological therapy originated by Sigmund Freud focusing on unconscious motivations and conflicts.

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