https://www.physicsclassroom.com/minds-on/circular-and-satellite-motion/mission-cg9-weightlessness/help/qg5help
Mission CG9 focuses on the distinction between the weight of a person and the perceived sense of the weight.
satellite motioncircularweightlessnesshelp
https://www.physicsclassroom.com/minds-on/circular-and-satellite-motion/mission-cg7-gravitational-field-strength/launch
Mission CG7 pertains to the conceptual and mathematical aspect of the acceleration of gravity and its connection of universal gravitation.
satellite motioncircularaccelerationgravitylaunch