Mission CG9 Weightlessness

Mission CG9 focuses on the distinction between the weight of a person and the perceived sense of the weight. The mission consists of 31 questions organized into 9 Question Groups. You must answer one question from each Question Group to complete the mission. The learning outcomes for this mission are ...

• The student should be able to distinguish between the weight of an object and the sensations of weightlessness experienced by an object and to explain the cause of these sensations.
• The student should be able to apply concepts of weight and weightlessness to explain a variety of motions such as roller coaster motions and satellite motion.

If you are not familiar with this topic, then you should first learn about the topic using our written Tutorial or our Video Tutorial:
 

• What is meant by weightlessness?
• Under what conditions would a person experience weightlessness?
• Why would an orbiting astronaut feel weightless?
• What conditions would cause a person to feel partially weightless (i.e., feel less than their normal weight)?

Weightlessness in Orbit