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Physics, 22.12.2019 08:31 darkghostmist
Which of the following is considered a contact forces? 1) the force between two magnets. 2)the gravitational pull of a planet. 3)friction between an object and air. 4)the force between two charged particles.
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Which of the following is considered a contact forces? 1) the force between two magnets. 2)the gravi...
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