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[" A "500kg" horse pulls a cart of mass ...

[" A "500kg" horse pulls a cart of mass "1500kg],[" along a level road with an acceleration of "1m/],[s^(2)." If coefficient of sliding friction is "0.2," then "],[" force exerted by the earth on horse is "],[[" 1) "3000N," 2) "4000N," 3) "5000N," 4) "6000N]]

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