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Q3 A box of mass 1 kg is pulled on a horizontal plane of length...

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Q3 A box of mass 1 kg is pulled on a horizontal plane of length 1 m by a force of 8 N then it is raised vertically to a height of 2 m at constant speed the net work done is a 28 J b 8 J c 18 J d None of the above

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To solve this problem we need to calculate the work done in two stages pulling the box horizontally and lifting it vertically Stage 1    See Answer
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