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Physics, 28.11.2019 06:31 mashejaj

Auniform half metre rule is pivoted freely at the 15 cm mark and it balances
horizontally when a body of mass 40 g is hung from the 2 cm mark. draw
diagram of the arrangement and calculate the mass of the ruler.

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Auniform half metre rule is pivoted freely at the 15 cm mark and it balances
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