Two massless bags contain identical bricks, each brick having a mass m. initially, each bag contains four bricks, and the bags mutually exert a gravitational attraction f1 on each other. you now take two bricks from one bag and add them to the other bag, causing the bags to attract each other with a force f2. what is the closest expression for f2 in terms of f1?
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Physics, 21.06.2019 22:30
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