a 50 m ladder leans against a wall. What is the minimum force of friction needed to prevent the laader from sliding? | Cheap Nursing Papers

a 50 m ladder leans against a wall. What is the minimum force of friction needed to prevent the laader from sliding?

a 50 m ladder leans against a wall. What is the minimum force of friction needed to prevent the laader from sliding?Assume that the force in the wall is negligible.

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