A Frictionless Pulley of Negligible Mass Is Hung from the Ceiling

question 78

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:

Control Chart

A tool used in statistical quality control to monitor, control, and identify whether a manufacturing or business process is in a state of statistical control.

Control Limits

Control limits are statistical boundaries set in quality control processes to identify when a process is out of control or exhibits unusual variability.

Standard Errors

Estimates of the standard deviation of a sampling distribution, indicating the precision of an estimate.

Average Run Length

In statistical process control, it refers to the expected number of submissions to a process before a signal indicates a potential process control failure.