A meter rule can be balanced about 60 cm mark by placing a block of we – InterviewSolution

1.	A meter rule can be balanced about 60 cm mark by placing a block of weight ‘m’ g at 90 cm mark. Express the mass of ruler ‘W’ in terms of mass of the block.
Answer» A meter rule can be balanced about 60 cm mark by placing a block of weight ‘m’ g at 90 cm mark. Express the mass of ruler ‘W’ in terms of mass of the block.

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