Same chapter2 marksDifficulty: Medium
Why is the centre of gravity of a body important when judging its stability?
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3 marksDifficulty: Medium
A uniform metre rule is pivoted at its centre. A weight of 50 gf is hung at the 30 cm mark. At which mark must a weight of 20 gf be hung to balance the rule?
Original Khojo Papers practice question — not from a past board paper.
Answer
At the 100 cm mark
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The 50 gf acts 20 cm from the pivot, giving a moment of 1000 gf cm. For balance, 20 × d = 1000, so d = 50 cm from the pivot, which is the 100 cm mark.
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