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The meterstick shown is 100 cm long. It is free to pivot around its center of gravity (CG), which is at the 50 cm mark.


The meterstick shown is 100 cm long. It is free to pivot around its center of gravity (CG), which is at the 50 cm mark. There is a 21.0 N block hanging from the 80 cm mark. Decide where each of the other blocks should be placed, one at a time, to balance out the 21.0 N block.

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 At what mark on the meter stick would you place a 18.0 N block to balance the 21.0 N block? 

 At what mark on the meter stick would you place a 43.0 N block to balance the 21.0 N block? 

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