Name____________________

1. An astronaut drops a feather on the Moon. It accelerates downward at 1.6 m/s2. What is the strength of the gravitational field of the Moon on its surface? Is there gravity on the Moon? Is there air? Explain. 2. An Earthling visiting Mars holds a 0.20-kg "test mass" in her hand. She feels it pulled down by a gravitational force of 0.74 N. ................
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