A piece of uniform string hangs vertically so that it's free end just touches the horizontal surface of a table - Physics - Laws Of Motion

Question

A piece of uniform string hangs vertically so that it's free end
just touches the horizontal surface of a table If the upper end of
the string is released during the falling of the string, total
force on the surface is three times the weight of that part of the
string lying on the surface

Vipra Mishra · Accepted Answer

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A piece of uniform string hangs vertically so that it's free end just touches the horizontal surface of a table. If the upper end of the string is released during the falling of the string, total force on the surface is three times the weight of that part of the string lying on the surface