A ladder rests against a smooth wall (by smooth wall, we mean that the wall exerts in the ladder only a force that is perpendicular to the wall. There is no friction force). The ladder weighs 200N and its center of gravity is 0.4L from the base, where L is the ladder’s length. Find
How large a friction force must exist at the base of the ladder if it is not to slip?
What is the necessary coefficient of static friction
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Ladder is slip and men is die
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