a uniform rod of length 30 cm having a mass of 3.0 kg. The strings are pulled by constant forces of 20 N and 32 N. Find the force exerted by 20 cm part of the rod on the 10 cm part. All the surfaces are smooth and the strings and pulleys are light. Force of 20 N acts on 10 cm part and 32 N on 20 cm
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