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A L=4 m long ladder with mass m=10 kg is leaning against a frictionless wall and on a floor with a friction coefficient of 0.5. The ladder's center of mass is in the middle of the ladder. Calculate the largest opening angle between the ladder and the frictionless wall for which a person of mass 75 kg can climb all the way up the ladder without it slipping.

L
0
X
Golv med friktion
Glatt vägg

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