An Ideal Spring Is Hung Vertically from the Ceiling

question 66

Multiple Choice

An ideal spring is hung vertically from the ceiling.When a 2.0-kg mass hangs at rest from it, the spring is extended 6.0 cm from its relaxed length.A downward external force is now applied to the mass to extend the spring an additional 10 cm.While the spring is being extended by the force, the work done by the spring is:

• A)-3.6 J
• B)-3.3 J
• C)-1.0 J
• D)3.3 J
• E)3.6 J

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Definitions:

Patent

A legal right granted by the government to an inventor, giving exclusive rights to use, make, sell, or distribute the invention for a certain period of time.

Vroom-Jago

A leadership model that focuses on decision-making processes and emphasizes the role of situational variables in determining the most effective leadership style.

Leader-Participation Model

A leadership approach suggesting the effectiveness of leader decisions depends on certain variables including the nature of the task and the interactions between the leader and subordinates.

Power-Oriented Decision

A decision-making approach that prioritizes the maintenance, acquisition, or demonstration of power within an organization or group.