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A uniform meter rule with a mass of 200g suspended at zero mark is pivoted at the 22.0cm mark. Calculate the mass of the rule.
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Aug 30, 2021
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Physics Form 1
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anony mous
A uniform meter rule with a mass of 200g suspended at zero mark is pivoted at the 22.0cm mark. Calculate the mass of the rule.
turning effect of a force
principle of moments
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Aug 30, 2021
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anony mous
weight of ruler at 0cm mark=2N, d=0.22m
2Nx0.22=0.78 x w=0.56N=5.6kg
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