A Rock Is Suspended from a String and Moves Downward

question 91

Multiple Choice

A rock is suspended from a string and moves downward at constant speed. Which statement is true concerning the tension in the string if air resistance is ignored?

• A)The tension is zero newtons.
• B)The tension points downward.
• C)The tension is equal to the weight of the rock.
• D)The tension is less than the weight of the rock.
• E)The tension is greater than the weight of the rock.

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Definitions:

Foot-In-The-Door Technique

A persuasion strategy that involves getting a person to agree to a small request as a precursor to getting them to accede to a larger request.

Fundamental Attribution Error

A cognitive bias that involves overemphasizing personality-based explanations for behaviors observed in others while underestimating situational explanations.

Urban Ethnic Neighbourhoods

Areas within cities that are predominantly inhabited by members of the same ethnic or cultural group, often retaining distinctive cultural traits.

Lowball Technique

A persuasive strategy where a more attractive offer is initially presented to get an agreement, then terms are made less favorable.