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Statement of a problem № 2514

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A ladder 3.0 m long and weighing 200 N has its center of gravity 120 cm from the bottom. At its top end is a 50-N weight. Compute the work required to raise the ladder from a horizontal position on the ground to a vertical position.

Solution:
A ladder 3.0 m long and weighing 200 N has its center of gravity 120 cm from the

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