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A door hinged on the right is shown in the diagram below: The door is 0.8m wide and 2.2m tall.

A door hinged on the right is shown in the diagram below: The door is 0.8m wide and 2.2m tall.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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3) A door hinged on the right is shown in the diagram below: The door is 0.8m wide and 2.2m tall.
Transcribed Image Text:3) A door hinged on the right is shown in the diagram below: The door is 0.8m wide and 2.2m tall.
a) Draw force vectors, directly on the diagram above, which would be the most effective at closing or opening the 10.0 kg door if the maximum pushing force you can exert with your hand is 50.0 N b) Now calculate the torque applied to the door with your force as drawn. c) If friction is negligible, calculate the angular acceleration of the door d) Explain how the acceleration would change if the door was not made of solid wood but rather was hollow with thin wood on the faces in a heavy steel frame as shown below? (You may assume that the mass and dimensions of the solid wood door are equal to that of the hollow door.) Do not do any calculations; just explain your reasoning.
Transcribed Image Text:a) Draw force vectors, directly on the diagram above, which would be the most effective at closing or opening the 10.0 kg door if the maximum pushing force you can exert with your hand is 50.0 N b) Now calculate the torque applied to the door with your force as drawn. c) If friction is negligible, calculate the angular acceleration of the door d) Explain how the acceleration would change if the door was not made of solid wood but rather was hollow with thin wood on the faces in a heavy steel frame as shown below? (You may assume that the mass and dimensions of the solid wood door are equal to that of the hollow door.) Do not do any calculations; just explain your reasoning.
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