NEET PhysicsClass 11Principle of moments and centre of gravityMediumSingle correct

A uniform rod 1.00 m long with mass 400 g is pivoted at its 40 cm mark. What mass must be hung at the 20 cm mark to keep the rod horizontal?

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A uniform rod 1.00 m long with mass 400 g is pivoted at its 40 cm mark. What mass must be hung at the 20 cm mark to keep the rod horizontal?

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