A Pulley with Radius R Is Free to Rotate on a Horizontal

question 15

Multiple Choice

A pulley with radius R is free to rotate on a horizontal fixed axis through its center.A string passes over the pulley.Mass m₁ is attached to one end and mass m₂ is attached to the other.The portion of the string attached to m₁ has tension T₁ and the portion attached to m₂ has tension T₂.The magnitude of the total external torque, about the pulley center, acting on the masses and pulley, considered as a system, is given by:

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Definitions:

Basal Metabolic Rate

The pace at which energy is consumed by the body in a resting state to support crucial processes such as respiration and maintaining body heat.

Energy Expenditure

The total amount of energy used by the body, encompassing basal metabolic rate, physical activity, and energy used in digestion and absorption of food.

Anorexia

An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight.

High-Achieving

Describes individuals who consistently perform at a level significantly above the standard expectation in one or multiple areas.