Short answerEasy1.5 marks
6(ii)
A metre scale of weight 50 gf can be balanced at 40 cm mark without any weight suspended on it.
If this ruler is cut at its centre then state which part [0 to 50 cm or 50 to 100 cm] of the ruler will weigh more than 25 gf.
Topic: Non-uniform metre rule
Question wording verified against source paper
Answer
Exam answer
The 0–50 cm part.
Explanation
The centre of gravity is at 40 cm, so more than half the weight lies on the left part.
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