A 25-Kg Box of Books Is Dropped on the Floor

question 26

Multiple Choice

A 25-kg box of books is dropped on the floor from a height of 1.1 m and comes to rest.What impulse did the floor exert on the box?

• A)cannot be answered without knowing how long it took the box to stop
• B)22 kg∙m/s
• C)120 kg∙m/s
• D)270 kg∙m/s
• E)540 kg∙m/s

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Definitions:

Situational Leadership Model

A leadership theory that proposes the effectiveness of leadership styles varies depending on the readiness and behavior of the people being led and the specifics of the situation.

Telling Style

A communication approach characterized by explicitly instructing or directing others in what they should do.

Task Behavior

A leadership style characterized by clear explanations of tasks, directions, and expectations to ensure that goals are understood and accomplished.

Transactional Leaders

Leaders who focus on routine transactions, using rewards and punishments to motivate followers.