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 Turning Effect of a Force Questions and Answers and Answers

The figure below shows a uniform metre rule pivoted at its 30 cm mark. Given M = 200g and the system is in equilibrium. Find the weight of the rule.
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 (2m 29s)
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Answer Text:
#0.3m times 2N = 0.2m times W#
#W = (0.3m times 2N)/(0.2)# = 3N


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