A uniform ladder is 15 m long and weighs 210N. In the figure, the ladder leans against a vertical, frictionless wall at height h = 6.5 m above the ground. A horizontal force F is applied to the ladder at distance d = 1.6 m from its base (measured along the ladder). If force magnitude F = 58 N, what are (a)x-, (b)y-components of the force of the ground on the ladder? If F = 140 N, what are (c)x-, (d)y- components of the force of the ground on the ladder? (e) Suppose the coefficient of static friction between the ladder and the ground is 0.38; for what minimum value of the force magnitude F will the base of the ladder just barely start to move toward the wall?
A uniform ladder is 15 m long and weighs 210N. In the figure, the ladder leans against a vertical, frictionless wall at height h = 6.5 m above the ground. A horizontal force F is applied to the ladder at distance d = 1.6 m from its base (measured along the ladder). If force magnitude F = 58 N, what are (a)x-, (b)y-components of the force of the ground on the ladder? If F = 140 N, what are (c)x-, (d)y- components of the force of the ground on the ladder? (e) Suppose the coefficient of static friction between the ladder and the ground is 0.38; for what minimum value of the force magnitude F will the base of the ladder just barely start to move toward the wall?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 74P: A stepladder of negligible weight is constructed as shown in Figure P10.73, with AC = BC = ℓ. A...
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