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There are weak or strong attractive forces between atoms of liquids with a high viscosity

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two