Question

A body of mass 20 Kg is suspended vertically by means of a string of length 10cm. The horizontal force required pull the mass horizontally through 6cm.       A.    20 Kg wt B.    15 Kg wt C.    10 Kg wt D.    None the answer should be 15kg.wt , what is the exact solution? pls answer correctly​

Answer 1

Explanation:

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