Question 1
In mechanics, what best describes a system?
Question 2
What is the center of mass of a system?
Question 3
Two masses, $m_1$ and $m_2$, are placed on a line at positions $x_1$ and $x_2$. Which expression gives the center of mass position $x_{cm}$?
Question 4
If two objects have equal mass and are located at $x = -2\,\text{m}$ and $x = 6\,\text{m}$, where is the center of mass?
Question 5
Which statement about internal forces in a system is correct when finding the motion of the center of mass?
