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19 Jul 2018
5) [8 pts] An automatic screen door closing mechanism works by applying a force of 25.0 N at a distance of 50 cm from the hinge of the door, and at an angle to the door of 20- (see figure). The moment of inertia of the door is given by I = 1/3 MW?, where M is the door's mass and W is the width of the door. Take W = 80.0 cm and M = 10.0 kg. For the door in the position shown in the figure: a) Calculate the torque applied by the door closing mechanism on the door; b) Calculate the angular acceleration of the door. door W=0.80 m F:25 N 50 cm -door closing mechanism hinge
5) [8 pts] An automatic screen door closing mechanism works by applying a force of 25.0 N at a distance of 50 cm from the hinge of the door, and at an angle to the door of 20- (see figure). The moment of inertia of the door is given by I = 1/3 MW?, where M is the door's mass and W is the width of the door. Take W = 80.0 cm and M = 10.0 kg. For the door in the position shown in the figure: a) Calculate the torque applied by the door closing mechanism on the door; b) Calculate the angular acceleration of the door. door W=0.80 m F:25 N 50 cm -door closing mechanism hinge
Lelia LubowitzLv2
21 Jul 2018
