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A 70 kg window cleaner uses a14 kg ladder that is 5.4 m long. He places one end on the ground2.3 m from a wall, rests the upper endagainst a cracked window, and climbs the ladder. He is 2.8 m up along the ladder when the window breaks.Neglect friction between the ladder and window and assume that thebase of the ladder does not slip.
(a) When the window is on the verge of breaking, whatis the magnitude of the force on the window from the ladder?
N
(b) When the window is on the verge of breaking, what is themagnitude of the force on the ladder from the ground?
(c) What is the angle of this force on the ladder?
° (above the horizontal)
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