A uniform chain of length 2m is kept on a table such that a length of 60cm hangs freely from the edge of the table. The total mass of the chain is 4kg. What is the work done in pulling the entire chain on the table (a) 7.2 J (b) 3.6 J (c) 120 J (d) 1200 J
Added by Lara S.
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Given that the total length of the chain is 2 meters and 60 cm (0.6 meters) is hanging off the table, the length of the chain on the table is: \[ 2 \, \text{m} - 0.6 \, \text{m} = 1.4 \, \text{m} \] Show more…
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A uniform chain of length $2 \mathrm{~m}$ is kept on a table such that a length of $60 \mathrm{~cm}$ hangs freely from the edge of the table. The total mass of the chain is $4 \mathrm{~kg}$. What is the work done in pulling the entire chain on the table? (A) $12 \mathrm{~J}$ (B) $3.6 \mathrm{~J}$ (C) $7.2 \mathrm{~J}$ (D) $1200 \mathrm{~J}$
A uniform chain of length $2 \mathrm{~m}$ is kept on a table such that a length of $60 \mathrm{~cm}$ hangs freely from the edge of the table. The total mass of the chain is $4 \mathrm{~kg}$. What is the work done in pulling the entire chain on the table? Take $g=10 \mathrm{~m} / \mathrm{s}^{2}$ [2004] (A) $12 \mathrm{~J}$ (B) $3.6 \mathrm{~J}$ (C) $7.2 \mathrm{~J}$ (D) $1200 \mathrm{~J}$
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