15 Questions Physical Science: Gravity and Motion Review facts about gravity, force, free fall, and motion as well as the Universal Law Of Gravitation. Based on NGSS MS-PS2-4. Which term describes a force of attraction between objects due to their mass? inertia gravity magnetism free fall True or False: Gravity is an attractive force that can only push, not pull. True False What is the measurement of Earth's gravity? 8.2 m/s² 3.5 m/s² 9.8 m/s² 4.7 m/s² … and 12 more awesome questions! Check them out by clicking “Play”.