A half-metre rule of mass 50 g balances off-centre when a 20 g mass is suspended at the 2 cm mark. Determine the position of the pivot.
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Factors that affect the rate of flow of heat through a metal conductor
Date posted: January 14, 2017. Answers (1)
A sack of sawdust on the earth's surface is found to have same weight as a sack of sand on the surface of the moon. State the reason why the masses of the two sacks must be different