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An overhead crane is being directed to construct a multistoried building. The horizontal arm of the crane has a linear mass density of 100 kg/m and is 50 m in length. Short arm on the opposite side of the support is 50 m long. A Pulley block on the long arm ,which can be moved along the arm ,weights 500 kilogram. Ignore the mass of the vertical frame. The vertical frame will twist and break if there is an excess imbalance of more than 10%. What is the minimum counter balance required on the short arm which is to be installed on a permanent basis.?

An overhead crane is being directed to construct a multistoried building. The horizontal arm of the crane has a linear mass density of 100 kg/m and is 50 m in length. Short arm on the opposite side of the support is 50 m long. A Pulley block on the long arm ,which can be moved along the arm ,weights 500 kilogram. Ignore the mass of the vertical frame. The vertical frame will twist and break if there is an excess imbalance of more than 10%. What is the minimum counter balance required on the short arm which is to be installed on a permanent basis.?

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