2. Force and Translational Dynamics

Systems And Center Of Mass — Quiz

Test your understanding of systems and center of mass with 5 practice questions.

Practice Questions

Question 1

In physics, what is a system?

Question 2

Two equal masses are placed at $x=0$ and $x=8\ \text{m}$. Where is the center of mass?

Question 3

A $1\ \text{kg}$ mass is at $x=0$ and a $3\ \text{kg}$ mass is at $x=4\ \text{m}$. Where is the center of mass?

Question 4

If the net external force on a system is $0$, what happens to the motion of its center of mass?

Question 5

Which force can change the velocity of a system's center of mass?