If the coefficient of static friction is 0.60, and the same ladder makes a 53° angle with respect to the horizontal, how far along the length of the ladder can a 63.0 kg person climb before the ladder begins to slip? The ladder is 8.2 m in length and has a mass of 18 kg.
P = 0.60x(18+63)x9.8 =476.28 N
X= (476.28x8.2xsin530 - 18x9.8x4.1xcos 530) / 63x9.8xcos530
= 7.22 m
If the coefficient of static friction is 0.60, and the same ladder makes a 53° angle...
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An 8.0 m, 220 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. How far up the ladder can an 730 N person climb before the ladder begins to slip? (Answer in meters)
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