Free-fall is defined as a condition in which a falling object experiences acceleration due only to gravity. Therefore, in this case, the only weight acting on an object is its own weight. Which of the following is not an example of an object in free-fall?
- A skydiver with an open parachute
- A feather falling through a vacuum tube
- The Earths orbit around the Sun
- A space shuttle with the rockets off
Answer
The correct answer is A) A skydiver with an open parachute.
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