Release Mass M on a String from Rest at Point

question 34

Multiple Choice

Release mass m on a string from rest at point A. As it passes the lowest point B, the tension in the string is

• A) impossible to determine; the answer depends on the length of the string.
• B) mg
• C) 2mg
• D) 3mg
• E) None of these is correct.

---

Definitions:

Gases Exchange

The biological process through which oxygen is taken into the body and carbon dioxide is expelled, primarily occurring in the lungs.

Diffusion

The passive movement of molecules or particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute.

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction.