A 320-G Ball and a 400-G Ball Are Attached to the Two

question 23

Multiple Choice

A 320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a radius of 8.7 cm.Because of friction in its axle,the pulley does not begin to rotate.What is the magnitude of the frictional torque at the axle of the pulley if the system remains at rest when the balls are released?

• A)0.068 N ∙ m
• B)0.61 N ∙ m
• C)0.079 N ∙ m
• D)0.063 N ∙ m
• E)0.00070 N ∙ m

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Definitions:

Coping Style

An individual's characteristic manner of dealing with stress or difficult situations, which can range from active problem-solving to avoidance.

Ideal Body Weight

A weight range deemed optimal for health and well-being, often based on factors like height, age, and gender, but can vary greatly depending on individual circumstances and health goals.

Obesity

A medical condition characterized by an excess of body fat, which can have a negative effect on health, leading to increased risk of diseases and health problems.

Problem-Focused Coping

Coping strategies that try to eliminate the source of a stress or reduce its impact through direct actions.