A person who walks through the revolving door exerts a horizontal force of magnitude F-62 N on one of the four door panels and keeps the angle 8= 19° constant relative to a line which is normal to the panel. If each panel is modeled by a 64-kg uniform rectangu plate which is 1.1 m in length as viewed from above, determine the magnitude of the final angular velocity w of the door if the perso exerts the force for 3.7 seconds. The door is initially at rest and friction may be neglected. Assume a = 0.4 m, b=0.7 m.
A person who walks through the revolving door exerts a horizontal force of magnitude F-62 N on one of the four door panels and keeps the angle 8= 19° constant relative to a line which is normal to the panel. If each panel is modeled by a 64-kg uniform rectangu plate which is 1.1 m in length as viewed from above, determine the magnitude of the final angular velocity w of the door if the perso exerts the force for 3.7 seconds. The door is initially at rest and friction may be neglected. Assume a = 0.4 m, b=0.7 m.
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Transcribed Image Text:A person who walks through the revolving door exerts a horizontal force of magnitude F-62 N on one of the four door panels and
keeps the angle 8 = 19° constant relative to a line which is normal to the panel. If each panel is modeled by a 64-kg uniform rectangular
plate which is 1.1 m in length as viewed from above, determine the magnitude of the final angular velocity w of the door if the person
exerts the force for 3.7 seconds. The door is initially at rest and friction may be neglected.
Assume a = 0.4 m, b=0.7 m.
Answer: w= i
F
rad/s
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