Two Masses Are Connected by a String Which Passes Over

question 27

Multiple Choice

Two masses are connected by a string which passes over a pulley with negligible mass and friction.One mass hangs vertically and one mass slides on a 30.0 degrees frictionless incline.The vertically hanging mass is 3.00 kg and the mass on the incline is 6.00 kg.The acceleration of the 3.00 kg mass is (the initial velocity is zero)

• A) 7.48 m/s².
• B) 6.72 m/s².
• C) 2.98 m/s².
• D) 1.03 m/s².
• E) 0.00 m/s².

---

Definitions:

Thyroid

A gland in the neck that produces hormones regulating growth and development through the rate of metabolism.

Lower Respiratory Tract

The part of the respiratory system including the trachea, bronchi, and lungs that is responsible for gas exchange.

Larynx

The vocal apparatus situated in the neck area, tasked with producing sounds, facilitating respiration, and safeguarding the windpipe from the inhalation of food.

Trachea

The windpipe, a tube that connects the larynx to the bronchi of the lungs, providing air passage.