A block of mass \( 200 \mathrm{~kg} \) is set into motion on a frictionless horizontal surface w...

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A block of mass \( 200 \mathrm{~kg} \) is set into motion on a frictionless horizontal surface with the help of frictionless pulley and a rope system as shown in figure. What horizontal force \( F \) should be applied to produce in the block an acceleration of \( 1 \mathrm{~m} / \mathrm{s}^{2} \) ?
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