A Mass M = 0

question 75

Multiple Choice

A mass m = 0.5 kg is hung from a pulley with moment of inertia I = 0.20 kg  m² and radius R = 10 cm. There is friction in the pulley. The mass is dropped from rest, and after 2 s it traveled 4 m. What is the torque due to friction?

• A) 0.5 N  m
• B) 0.9 N  m
• C) 2.9 N  m
• D) 3.9 N  m
• E) 4.5 N  m

---

Definitions:

Electronic Health Records

Digital versions of patients' paper charts that contain a comprehensive record of a patient's medical history and treatment.

Abduct

To move away from the midline of the body or from another part; often used in the context of muscle movement or the abduction of a limb.

Silent Letter

A letter that is present in the spelling of a word but not pronounced when the word is spoken.

Initialism

A type of acronym formed from the initial letters of a phrase, where each letter is pronounced separately, such as FBI.