A Baby-Sitter Pulls Some Kids in a Wagon on a Level

question 66

Multiple Choice

A baby-sitter pulls some kids in a wagon on a level street. How much work is done if she pulls the wagon 200 feet at a constant force of 45 lbs with the wagon handle making an angle of 34° with the street? Round to the nearest whole number.

• A) approximately 4808 ft-lbs
• B) approximately 5033 ft-lbs
• C) approximately 6529 ft-lbs
• D) approximately 7461 ft-lbs

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Definitions:

Biofeedback Training

A technique that teaches individuals how to control physiological functions through monitoring and feedback from instruments.

Meditation

A practice where an individual uses a technique to focus their mind on a particular object, thought, or activity to achieve mental clarity and emotional calmness.

Psychodynamic Theorists

Scholars and clinicians who focus on unconscious psychological processes and believe that childhood experiences are crucial in shaping adult personality.

Primary Gain

The internal psychological benefits derived from the symptoms of an illness, often serving to relieve anxiety or conflict.