6. A ladder 3.0m long and weighing 200 N has its center of gravity 120cm 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.
6. A ladder 3.0m long and weighing 200 N has its center of gravity 120cm 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.
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Transcribed Image Text:6. A ladder 3.0m long and weighing 200 N
has its center of gravity 120cm 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.
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