Question

During a spacewalk, an astronaut notices that her tether is not attached, and she is drifting away from
the space station. Explain each statement below using Newton’s third law.
a) She can pull herself back to the space station if she can reach the space station and pull on it.
b) She cannot push herself back to the space station by pulling forward on her space suit.
c) She can get back to the space station, even if she cannot reach it, if she is holding a tool.