Physics, 24.07.2019 03:30 amberpublow7

He then takes a powerful magnet and positions it below the table and the keys. he finds that he is able to drag the keys along the table by moving the magnet. this demonstrates that a. gravitational forces are contact forces. b. gravity is proportional to mass. c. magnetic forces act at a distance. d. magnetic forces act on wooden objects. reset submit

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He then takes a powerful magnet and positions it below the table and the keys. he finds that he is a...