A uniform chain of mass ‘m’ and length ‘l’ is lying on a table with (1/4) of its length hanging freely from the edge. Find the amount of work required to be done in dragging the chain on the table completely?
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Mass = M / 4.
Height = L / 8 below the table.
- Potential energy is utilized when it is being raised
P. E is equal to mgh
g = 9.8 m / s
W = m * g * h = (M/4) g (L/8)
W = MgL / 32
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