When a Spinning Ice Skater Pulls in His Arms, He

question 78

Multiple Choice

When a spinning ice skater pulls in his arms, he spins faster because .

• A)there exists an unbalanced reaction force
• B)there is less friction with the ice
• C)there is less friction with the air
• D)his angular momentum must be conserved, so reducing his radius must increase his speed of rotation

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Evaluation System

A formal process used to assess the performance, effectiveness, or value of individuals, projects, or programs.

ProMES

A performance management system that focuses on measuring and improving job performance through specific goals and feedback.

Job Characteristics Approach

A theory that suggests jobs can be designed to enhance employee motivation, satisfaction, and performance by focusing on five core job dimensions.

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The process of providing constructive information regarding someone's performance or behavior to encourage improvement or reinforce positive actions.