A uniform metre rule pivoted at the 40 cm mark is kept in a horizontal

1.	A uniform metre rule pivoted at the 40 cm mark is kept in a horizontal position by a mass of200 g hung at the 35 cm mark. The mass of the metre rule is_a)75b)100c)175d)200
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A uniform metre rule pivoted at the 40 cm mark is kept in a horizontal position by a mass of200 g hung at the 35 cm mark. The mass of the metre rule is_a)75b)100c)175d)200

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A uniform metre rule pivoted at the 40 cm mark is kept in a horizontal position by a mass of200 g hung at the 35 cm mark. The mass of the metre rule is_a)75b)100c)175d)200​

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A uniform metre rule pivoted at the 40 cm mark is kept in a horizontal position by a mass of200 g hung at the 35 cm mark. The mass of the metre rule is_a)75b)100c)175d)200