ssmclain4067 ssmclain4067

07-03-2024
Physics

contestada

A house painter uses the chair and pulley arrangement of the figure to lift himself up the side of a house. The painter's mass is 69 kg and the chair's mass is 8. 0 kg. With what force must he pull down on the rope in order to accelerate upward at 0. 16 m/s² ?
A) 99 N
B) 110 N
C) 120 N
D) 130 N

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