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1. A box whose mass is 4.3 kg. initially at rest, is pushed in a straight line for 1.4 m by a constant force of 36 N. Use the
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CASE (a) By / work entvgy theorm is woak done by fohLe Converted nto kinttic enrgy m 4.3Kg F-36N Co-4 m V F.Ax= m v Mco 2 F A

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