- What is the format of the URDF model?
A) It is a text file.
B) JSON.
C) XML.
- How many links and joints does the URDF model of GoPiGo3 have?
A) Four links (robot body, caster, left, and right wheels) and two joints
B) Three links (robot body, left, and right wheels) and two joints
C) Three links (robot body, left, and right wheels) and three joints
- Which tag in the URDF model can you use to specify the color of a link?
A) <visual>
B) <geometry>
C) <material>
- Is it mandatory to group file types by folders (SRC, URDF, RViz, launch) in an ROS package?
A) No, the only mandatory condition is to put the package under ~/catkin_ws/src/.
B) It is only recommended to make a clean package structure.
C) No, but if you do so, you have to declare the locations in the package.xml configuration file.
- Do you always need to run roscore in a Terminal to launch...