Physics, 08.07.2020 06:01 genesist720

A 40 cm ruler with non-uniform mass is hung from its center of mass, at 21 cm. A force is applied at the 40 cm mark of the ruler. The length of the moment arm is . 40 19 21 None of the above

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A 40 cm ruler with non-uniform mass is hung from its center of mass, at 21 cm. A force is applied at...