1.

A metallic chain 1m long lies on a horizontalsurface of a table. The chain starts sliding on theta50.ble if 25 cm (or more of it) hangs over the edgeof a table. The correct value of the coefficient offriction between the table and the chain is2334

Answer»

Let m be the mass for 1 m length chain then 25 cm length the mass would be: = > m/4balacncing the forces we get,f = mg/4.u*(3m/4)*g = mg/4u= 1/3



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