Physics - W.E.P. Question with Solution | TestHub

PhysicsW.E.P.Calculation of workHard2 minPYQ_2009

PhysicsHardsingle choice

A chain of mass $M$ is placed on a smooth table with $1/ n$ of its length $L$ hanging over the edge. The work done in pulling the hanging portion of the chain back to the surface of the table is

Options:

Answer:

Solution:

$W =$ change in $PE$ of $COM$ of hanging part $= \frac{M}{n} g \frac{L}{2 n} = \frac{MgL}{2 n ^{2}}$

Stream:BITSATSubject:PhysicsTopic:W.E.P.Subtopic:Calculation of work

⏱ 2mℹ️ Source: PYQ_2009

Doubts & Discussion

Loading discussions...