A Frictionless Pulley of Negligible Mass Is Hung from the Ceiling

question 99

Multiple Choice

A frictionless pulley of negligible mass is hung from the ceiling using a rope, also of negligible mass. Two masses, m₁ and m₂ (m₁ < m₂) are connected to the rope over the pulley. The masses are free to drop. The magnitude of the tension T_top is ____ the sum of the tensions T₁ and T₂.

• A) less than
• B) equal to
• C) greater than
• D) unable to tell
• E) depends on T_top

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Definitions:

Default Setting

The preset configuration or value that software or devices use upon startup, before any modifications are made by the user.

Dialog Box Launcher

A small icon in software interfaces that, when clicked, opens a dialog box with additional options and settings related to the current tool or feature.

Specific Date

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24 Hours

A full day period consisting of 24 consecutive hours.